# #1bf3cb

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

## Values

- Hex: `#1bf3cb`
- RGB: rgb(27, 243, 203)
- HSL: hsl(169, 90%, 53%)
- OKLCH: oklch(0.862 0.16 174.7)
- Relative luminance: 0.6865
- Nearest named color: Fake Jade (#13eac9, Δ 2.518) — https://brandsweets.com/colors/fake-jade
- Moods: vivid
- Page: https://brandsweets.com/colors/1bf3cb

## Tints & shades

- Tints (toward white): #34f4d1, #47f5d5, #5ff7db, #72f8df, #8bf9e5, #9efae9, #b6fbef, #cafcf3, #e2fdf8, #f5fefd
- Shades (toward black): #0ce9c0, #0bd0ac, #0ab898, #08a084, #078d74, #067460, #055c4c, #044438, #022c24, #011310

## Harmonies

- Complementary: #f31b43
- Analogous: #1bf360, #1baff3
- Triadic: #cb1bf3, #f3cb1b
- Split-complementary: #f31baf, #f3601b
- Tetradic: #601bf3, #f31b43, #aff31b

## Colors that go with #1bf3cb

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 #1bf3cb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com), UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #1bf3cb in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Wise (https://brandsweets.com/colors/brands/wise-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1bf3cb: 4 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #1bf3cb in 6 real palettes, including Astro's brand system and 7-Eleven's brand system, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #1bf3cb 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/hotpink
- **Red** #ff0000 [pool] — Red is paired with #1bf3cb in 3 real palettes, including Gatorade's brand system and Mattel's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Mattel (https://brandsweets.com/colors/brands/mattel-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #1bf3cb — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Salmon** #fa8072 [harmony: split] — Salmon is a split-complement of #1bf3cb: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/salmon

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

- On white (#ffffff): 1.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #07836c (4.7:1); AA: background → #5e5e5e (4.55:1); AAA: text → #056150 (7.41:1); AAA: background → #424242 (7.05:1)
- On black (#000000): 14.73:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Formula 1** — primary #27f4d2 (Δ 1.018) — https://brandsweets.com/colors/brands/formula1-com
- **Astro** — accent #4bf3c8 (Δ 1.438) — https://brandsweets.com/colors/brands/astro-build

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1bf3cb-a2bebc-d459ab-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: "#1bf3cb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.