# #18b993

A color — vivid. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#18b993`
- RGB: rgb(24, 185, 147)
- HSL: hsl(166, 77%, 41%)
- OKLCH: oklch(0.701 0.134 170.7)
- Relative luminance: 0.37
- Nearest named color: Electra (#55b492, Δ 3.051) — https://brandsweets.com/colors/electra
- Moods: vivid
- Page: https://brandsweets.com/colors/18b993

## Tints & shades

- Tints (toward white): #1cd4a9, #26e3b7, #41e6c0, #5deac9, #78edd2, #8ef0d9, #a9f4e2, #c4f7eb, #dbfaf3, #f6fefc
- Shades (toward black): #16a785, #14997a, #12876c, #0f755e, #0d6853, #0b5644, #094436, #063228, #05241d, #02120e

## Harmonies

- Complementary: #b9183e
- Analogous: #18b943, #188eb9
- Triadic: #9318b9, #b99318
- Split-complementary: #b9188e, #b94318
- Tetradic: #4318b9, #b9183e, #8eb918

## Colors that go with #18b993

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 #18b993: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #18b993 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Canva's brand system put Blue beside #18b993, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Fintech Trust and Ford's brand system put Midnight Blue beside #18b993, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 6 real palettes, including Fresh Juice and Diner put Mustard Yellow beside #18b993, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #18b993 in 6 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Docker (https://brandsweets.com/colors/brands/docker-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #18b993 in 14 real palettes, including Chime's brand system and Resort, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Resort (https://brandsweets.com/palettes/light#resort), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #18b993: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 2.5:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #118368 (4.7:1); AA: background → #383838 (4.69:1); AAA: text → #0d634f (7.2:1); AAA: background → #171717 (7.17:1)
- On black (#000000): 8.4:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Khan Academy** — secondary #0cbc94 (Δ 0.837) — https://brandsweets.com/colors/brands/khanacademy-org
- **Khan Academy** — primary #14bc94 (Δ 0.846) — https://brandsweets.com/colors/brands/khanacademy-org

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/18b993-a2bebb-d459b1-1f2a2d-e9f1ec?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: "#18b993" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.