# #1ff9ca

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

## Values

- Hex: `#1ff9ca`
- RGB: rgb(31, 249, 202)
- HSL: hsl(167, 95%, 55%)
- OKLCH: oklch(0.877 0.166 172.1)
- Relative luminance: 0.7231
- Nearest named color: Aphrodite Aqua (#45e9c1, Δ 4.169) — https://brandsweets.com/colors/aphrodite-aqua
- Moods: vivid
- Page: https://brandsweets.com/colors/1ff9ca

## Tints & shades

- Tints (toward white): #33facf, #4cfad5, #60fbd9, #74fbde, #8dfce4, #a1fde9, #b4fded, #c8fef2, #e1fef8, #f5fffd
- Shades (toward black): #06f9c4, #06e0b1, #05c79d, #04ae89, #049576, #03775e, #025e4b, #024637, #012d23, #011410

## Harmonies

- Complementary: #f91f4e
- Analogous: #1ff95d, #1fbbf9
- Triadic: #ca1ff9, #f9ca1f
- Split-complementary: #f91fbb, #f95d1f
- Tetradic: #5d1ff9, #f91f4e, #bbf91f

## Colors that go with #1ff9ca

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

- **Taupe** #483c32 [pool] — Taupe is paired with #1ff9ca in 4 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), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #1ff9ca 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #1ff9ca: 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). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #1ff9ca in 3 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). — https://brandsweets.com/colors/crimson
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1ff9ca: 3 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). — https://brandsweets.com/colors/deepskyblue
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #1ff9ca: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #1ff9ca: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Lime Green** #32cd32 [harmony, pool: analogous] — Lime Green is #1ff9ca's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Duolingo (https://brandsweets.com/colors/brands/duolingo). — https://brandsweets.com/colors/limegreen

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

- On white (#ffffff): 1.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #03866a (4.54:1); AA: background → #616161 (4.56:1); AAA: text → #03634e (7.24:1); AAA: background → #454545 (7.06:1)
- On black (#000000): 15.46:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Astro** — accent #4bf3c8 (Δ 1.872) — 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/1ff9ca-a2bebb-d459af-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: "#1ff9ca" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.