# #cfec51

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

## Values

- Hex: `#cfec51`
- RGB: rgb(207, 236, 81)
- HSL: hsl(71, 80%, 62%)
- OKLCH: oklch(0.894 0.179 119.3)
- Relative luminance: 0.7385
- Nearest named color: Cucumber Milk (#c2f177, Δ 3.029) — https://brandsweets.com/colors/cucumber-milk
- Moods: vivid
- Page: https://brandsweets.com/colors/cfec51

## Tints & shades

- Tints (toward white): #d4ee63, #d8ef71, #ddf183, #e1f391, #e6f5a3, #ebf7b6, #eff8c3, #f4fad6, #f7fce3, #fcfef6
- Shades (toward black): #c8e935, #c0e619, #adcf17, #96b314, #7f9711, #687c0e, #51600b, #3d4908, #262e05, #0f1202

## Harmonies

- Complementary: #6d51ec
- Analogous: #ecbb51, #82ec51
- Triadic: #51cfec, #ec51cf
- Split-complementary: #5182ec, #bb51ec
- Tetradic: #51ecbb, #6d51ec, #ec5182

## Colors that go with #cfec51

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 body-text near-black for #cfec51: 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), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #cfec51 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Blue** #0000ff [pool] — 4 real palettes, including Robinhood's brand system and Binance's brand system put Blue beside #cfec51, as the supporting colour. Seen in: Robinhood (https://brandsweets.com/colors/brands/robinhood-com), Binance (https://brandsweets.com/colors/brands/binance-com), Bumble (https://brandsweets.com/colors/brands/bumble-com), Snapchat (https://brandsweets.com/colors/brands/snapchat-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #cfec51: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #cfec51 in 8 real palettes, including Wise's brand system and Lay's's brand system, as the accent. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Lay's (https://brandsweets.com/colors/brands/lays-com), Ferrari (https://brandsweets.com/colors/brands/ferrari-com), Tequila Sunrise (https://brandsweets.com/palettes/vivid#tequila-sunrise). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [harmony, pool: triadic] — Deep Sky Blue completes a triad with #cfec51 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/deepskyblue
- **Denim** #1560bd [pool] — Designers have shipped Denim with #cfec51: 7 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 #cfec51 in 6 real palettes, including Wise's brand system and Paddle's brand system, as the lead colour. Seen in: Wise (https://brandsweets.com/colors/brands/wise-com), Paddle (https://brandsweets.com/colors/brands/paddle-com), Heineken (https://brandsweets.com/colors/brands/heineken-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

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

- On white (#ffffff): 1.33:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #687c0e (4.69:1); AA: background → #636363 (4.51:1); AAA: text → #4d5c0a (7.37:1); AAA: background → #454545 (7.2:1)
- On black (#000000): 15.77:1 — 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/cfec51-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: "#cfec51" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.