# #28f0b8

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

## Values

- Hex: `#28f0b8`
- RGB: rgb(40, 240, 184)
- HSL: hsl(163, 87%, 55%)
- OKLCH: oklch(0.851 0.167 167.5)
- Relative luminance: 0.6623
- Nearest named color: Aquamarine (#2ee8bb, Δ 2.417) — https://brandsweets.com/colors/aquamarine-2
- Moods: vivid
- Page: https://brandsweets.com/colors/28f0b8

## Tints & shades

- Tints (toward white): #3bf1be, #53f3c6, #66f4cc, #79f6d3, #91f7da, #a4f9e1, #b7fae7, #cbfbee, #e2fdf5, #f5fefc
- Shades (toward black): #11eeb0, #0fd79e, #0dbf8c, #0ca77b, #0a8f69, #087254, #065b43, #054331, #032b20, #01130e

## Harmonies

- Complementary: #f02861
- Analogous: #28f054, #28c5f0
- Triadic: #b828f0, #f0b828
- Split-complementary: #f028c5, #f05428
- Tetradic: #5428f0, #f02861, #c5f028

## Colors that go with #28f0b8

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 #28f0b8 in 7 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 #28f0b8 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 #28f0b8: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #28f0b8 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 #28f0b8: 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
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #28f0b8: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #28f0b8: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet
- **Lime Green** #32cd32 [harmony, pool: analogous] — Lime Green is #28f0b8'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): 1.47:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #098662 (4.57:1); AA: background → #5c5c5c (4.54:1); AAA: text → #07644a (7.17:1); AAA: background → #404040 (7.03:1)
- On black (#000000): 14.25:1 — 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/28f0b8-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: "#28f0b8" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.