# #18c1cd

A color — cool, vivid, technical, modern. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#18c1cd`
- RGB: rgb(24, 193, 205)
- HSL: hsl(184, 79%, 45%)
- OKLCH: oklch(0.74 0.123 203)
- Relative luminance: 0.4274
- Nearest named color: darkturquoise (#00ced1, Δ 3.582) — https://brandsweets.com/colors/darkturquoise
- Moods: cool, vivid, technical, modern
- Page: https://brandsweets.com/colors/18c1cd

## Tints & shades

- Tints (toward white): #1bd7e4, #36dce7, #4de0ea, #64e4ed, #7fe8f0, #96edf3, #adf1f5, #c4f5f8, #dff9fb, #f6fdfe
- Shades (toward black): #16b0bb, #149fa9, #128e97, #107d84, #0d6b72, #0b565b, #094549, #063437, #042225, #021112

## Harmonies

- Complementary: #cd2418
- Analogous: #18cd7f, #1867cd
- Triadic: #cd18c1, #c1cd18
- Split-complementary: #cd1867, #cd7f18
- Tetradic: #7f18cd, #cd2418, #67cd18

## Colors that go with #18c1cd

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #18c1cd: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Lamborghini (https://brandsweets.com/colors/brands/lamborghini-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Canva's brand system and Warp's brand system put Blue beside #18c1cd, as the accent. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Warp (https://brandsweets.com/colors/brands/warp-dev), Unity (https://brandsweets.com/colors/brands/unity-com), Uber (https://brandsweets.com/colors/brands/uber-com). — https://brandsweets.com/colors/blue
- **Dark Orange** #ff8c00 [harmony, pool: split] — Dark Orange is a split-complement of #18c1cd: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: PayPal (https://brandsweets.com/colors/brands/paypal-com), Elastic (https://brandsweets.com/colors/brands/elastic-co), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange
- **Denim** #1560bd [pool] — Designers have shipped Denim with #18c1cd: 4 real palettes, including UEFA's brand system and Coca-Cola's brand system, as the accent. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Coca-Cola (https://brandsweets.com/colors/brands/coca-cola-com), Venmo (https://brandsweets.com/colors/brands/venmo-com), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #18c1cd: 5 real palettes, including Patreon's brand system and Figma's brand system, as the accent. Seen in: Patreon (https://brandsweets.com/colors/brands/patreon-com), Figma (https://brandsweets.com/colors/brands/figma), Venmo (https://brandsweets.com/colors/brands/venmo-com), Opensea (https://brandsweets.com/colors/brands/opensea-io). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #18c1cd, as the lead colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Ford (https://brandsweets.com/colors/brands/ford-com), SoFi (https://brandsweets.com/colors/brands/sofi-com), First Snow (https://brandsweets.com/palettes/cool#first-snow). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Crayon Box and Lido put Mustard Yellow beside #18c1cd, as the accent. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Lido (https://brandsweets.com/palettes/vivid#lido), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18c1cd in 8 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Elastic (https://brandsweets.com/colors/brands/elastic-co), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue

## Contrast (WCAG 2.x, as text)

- On white (#ffffff): 2.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #108189 (4.64:1); AA: background → #424242 (4.57:1); AAA: text → #0c5f64 (7.4:1); AAA: background → #242424 (7.06:1)
- On black (#000000): 9.55:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Canva** — primary #00c4cc (Δ 0.928) — https://brandsweets.com/colors/brands/canva-com
- **Prisma** — primary #00bbcb (Δ 1.795) — https://brandsweets.com/colors/brands/prisma-io
- **Prisma** — secondary #00bbcb (Δ 1.795) — https://brandsweets.com/colors/brands/prisma-io

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18c1cd-a2b9be-df4e8a-1f262d-e9f1ee?lock=0&style=vibrant
(Humans lock/regenerate in the tool; the URL is the state — read `lock=` back to see what they kept.)

## Connect an agent

Point any MCP client at the BrandSweets colors endpoint for the same engine:

- Endpoint: https://mcp.brandsweets.com/colors/mcp
- Tools: `analyze_color` (e.g. `analyze_color({ color: "#18c1cd" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.