# #89eff0

A color — cool, vivid, light, technical, modern, clean. Deterministic analysis from BrandSweets (no inference).

## Values

- Hex: `#89eff0`
- RGB: rgb(137, 239, 240)
- HSL: hsl(181, 77%, 74%)
- OKLCH: oklch(0.891 0.096 196.4)
- Relative luminance: 0.7334
- Nearest named color: Bath Water (#88eeee, Δ 0.359) — https://brandsweets.com/colors/bath-water
- Moods: cool, vivid, light, technical, modern, clean
- Page: https://brandsweets.com/colors/89eff0

## Tints & shades

- Tints (toward white): #93eff1, #a0f1f3, #a9f3f4, #b7f5f6, #c0f6f7, #c9f7f8, #d6f9fa, #dffafb, #edfcfd, #f6fefe
- Shades (toward black): #6ae9ec, #4ae5e8, #2be0e3, #1bcdd0, #17adb0, #138e90, #0f6f71, #0b5051, #063132, #021212

## Harmonies

- Complementary: #f08b8a
- Analogous: #8af0be, #8abbf0
- Triadic: #f08aee, #eef08a
- Split-complementary: #f08abb, #f0be8a
- Tetradic: #be8af0, #f08b8a, #bbf08a

## Colors that go with #89eff0

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 #89eff0: softer than #000 and cool enough to feel like part of the same palette. Seen in: Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Boeing (https://brandsweets.com/colors/brands/boeing-com), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #89eff0's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Astro (https://brandsweets.com/colors/brands/astro-build), Calendly (https://brandsweets.com/colors/brands/calendly-com). — https://brandsweets.com/colors/deepskyblue
- **Dark Salmon** #e9967a [harmony, pool: complementary] — Dark Salmon sits directly opposite #89eff0 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/darksalmon
- **Burlywood** #deb887 [pool] — Burlywood is paired with #89eff0 in 4 real palettes, including Coastal and Chalkboard, as the accent. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Kiln (https://brandsweets.com/palettes/dark#kiln), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/burlywood
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #89eff0 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), BrandSweets (https://brandsweets.com/colors/brands/brandsweets). — https://brandsweets.com/colors/darkolivegreen
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #89eff0 in 5 real palettes, including Canopy and Pine & Birch, as the lead colour. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Fireside (https://brandsweets.com/palettes/dark#fireside), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/hunter-green
- **Peru** #cd853f [pool] — 4 real palettes, including Estate and Woodsmoke put Peru beside #89eff0, as the lead colour. Seen in: Estate (https://brandsweets.com/palettes/luxury#estate), Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Kiln (https://brandsweets.com/palettes/dark#kiln), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/peru
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #89eff0: 6 real palettes, including Pine & Birch and Stone, as the supporting colour. Seen in: Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Stone (https://brandsweets.com/palettes/neutral#stone), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/sage-green

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

- On white (#ffffff): 1.34:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #118183 (4.68:1); AA: background → #616161 (4.62:1); AAA: text → #0d6263 (7.13:1); AAA: background → #454545 (7.15:1)
- On black (#000000): 15.67:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- technical: https://brandsweets.com/fonts/mood/technical
- modern: https://brandsweets.com/fonts/mood/modern
- clean: https://brandsweets.com/fonts/mood/clean

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/89eff0-a2babe-d45992-1f272d-e9f1ed?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: "#89eff0" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.