# #cff137

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

## Values

- Hex: `#cff137`
- RGB: rgb(207, 241, 55)
- HSL: hsl(71, 87%, 58%)
- OKLCH: oklch(0.903 0.199 120)
- Relative luminance: 0.7645
- Nearest named color: Chartreuse (#c1f80a, Δ 3.084) — https://brandsweets.com/colors/chartreuse-2
- Moods: vivid
- Page: https://brandsweets.com/colors/cff137

## Tints & shades

- Tints (toward white): #d3f24a, #d8f45d, #ddf570, #e1f683, #e6f896, #eaf9a9, #effabc, #f4fccf, #f8fde2, #fdfef5
- Shades (toward black): #c9ef1f, #bae010, #a6c80e, #8eac0c, #7b940a, #677c09, #4f5f07, #3b4805, #242b03, #101301

## Harmonies

- Complementary: #5937f1
- Analogous: #f1b637, #72f137
- Triadic: #37cff1, #f137cf
- Split-complementary: #3772f1, #b637f1
- Tetradic: #37f1b6, #5937f1, #f13772

## Colors that go with #cff137

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

- **Blue** #0000ff [pool] — 4 real palettes, including Robinhood's brand system and Snapchat's brand system put Blue beside #cff137, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com), Binance (https://brandsweets.com/colors/brands/binance-com), Bumble (https://brandsweets.com/colors/brands/bumble-com). — https://brandsweets.com/colors/blue
- **Charcoal** #36454f [role, pool] — Charcoal is the body-text near-black for #cff137: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #cff137 in 8 real palettes, including Ferrari's brand system and Wise's brand system, as the lead colour. Seen in: Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Wise (https://brandsweets.com/colors/brands/wise-com), Lay's (https://brandsweets.com/colors/brands/lays-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #cff137: 4 real palettes, including Ikea's brand system and FIFA's brand system, as the accent. Seen in: Ikea (https://brandsweets.com/colors/brands/ikea-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), LEGO (https://brandsweets.com/colors/brands/lego-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Red** #ff0000 [pool] — Red is paired with #cff137 in 5 real palettes, including Heineken's brand system and Wise's brand system, as the accent. Seen in: Heineken (https://brandsweets.com/colors/brands/heineken-com), Wise (https://brandsweets.com/colors/brands/wise-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com). — https://brandsweets.com/colors/red
- **Taupe** #483c32 [pool] — Taupe is paired with #cff137 in 7 real palettes, including Calvin Klein's brand system and Tommy Hilfiger's brand system, as the lead colour. Seen in: Calvin Klein (https://brandsweets.com/colors/brands/calvinklein-us), Tommy Hilfiger (https://brandsweets.com/colors/brands/tommy-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [pool] — 4 real palettes, including Crayon Box and Night Market put Tomato beside #cff137, as the lead colour. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Night Market (https://brandsweets.com/palettes/vivid#night-market), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/tomato
- **Plum** #dda0dd [harmony: complementary] — Plum sits directly opposite #cff137 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/plum

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

- On white (#ffffff): 1.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #677c09 (4.7:1); AA: background → #636363 (4.66:1); AAA: text → #4f5f07 (7.06:1); AAA: background → #474747 (7.21:1)
- On black (#000000): 16.29:1 — 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/cff137-b6bea2-4e7adf-252d1f-f1efe9?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: "#cff137" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.