# #1bb187

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

## Values

- Hex: `#1bb187`
- RGB: rgb(27, 177, 135)
- HSL: hsl(163, 74%, 40%)
- OKLCH: oklch(0.678 0.133 167.6)
- Relative luminance: 0.3343
- Nearest named color: Herbal (#29ab87, Δ 1.778) — https://brandsweets.com/colors/herbal
- Moods: vivid
- Page: https://brandsweets.com/colors/1bb187

## Tints & shades

- Tints (toward white): #1ecc9b, #2adfac, #40e2b5, #5be6bf, #75eac9, #90eed4, #abf2de, #c1f6e7, #dcfaf1, #f6fefc
- Shades (toward black): #18a079, #16926f, #138162, #117358, #0f624a, #0c503d, #0a4333, #073125, #05231b, #03120d

## Harmonies

- Complementary: #b11b45
- Analogous: #1bb13b, #1b91b1
- Triadic: #871bb1, #b1871b
- Split-complementary: #b11b91, #b13b1b
- Tetradic: #3b1bb1, #b11b45, #91b11b

## Colors that go with #1bb187

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 #1bb187: 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), N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #1bb187, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #1bb187, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Diner and Meadow put Mustard Yellow beside #1bb187, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Meadow (https://brandsweets.com/palettes/light#meadow), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1bb187 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), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #1bb187 in 14 real palettes, including Chime's brand system and Undergrowth, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Resort (https://brandsweets.com/palettes/light#resort), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #1bb187: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/tomato
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #1bb187 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. — https://brandsweets.com/colors/deeppink

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

- On white (#ffffff): 2.73:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #148565 (4.59:1); AA: background → #333333 (4.62:1); AAA: text → #0f624a (7.33:1); AAA: background → #0f0f0f (7.02:1)
- On black (#000000): 7.69:1 — AA pass, AA-large pass, AAA pass

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1bb187-a2beb9-d459b7-1f2b2d-e9f1eb?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: "#1bb187" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.