# #18f2ee

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

## Values

- Hex: `#18f2ee`
- RGB: rgb(24, 242, 238)
- HSL: hsl(179, 89%, 52%)
- OKLCH: oklch(0.87 0.147 192.6)
- Relative luminance: 0.6987
- Nearest named color: Frozen Boubble (#00eedd, Δ 2.434) — https://brandsweets.com/colors/frozen-boubble
- Moods: vivid
- Page: https://brandsweets.com/colors/18f2ee

## Tints & shades

- Tints (toward white): #30f3f0, #43f4f1, #5bf5f3, #6ef7f4, #87f8f6, #9ff9f8, #b2fbf9, #cafcfb, #ddfdfd, #f5fefe
- Shades (toward black): #0de3df, #0ccac7, #0bb7b4, #099f9d, #088785, #066f6d, #055755, #044342, #032b2b, #011313

## Harmonies

- Complementary: #f2181b
- Analogous: #18f281, #1888f2
- Triadic: #ee18f2, #f2ee18
- Split-complementary: #f21888, #f28118
- Tetradic: #8118f2, #f2181b, #88f218

## Colors that go with #18f2ee

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 #18f2ee: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Boeing (https://brandsweets.com/colors/brands/boeing-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #18f2ee's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #18f2ee in 6 real palettes, including Astro's brand system and Mint Chip, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Boeing (https://brandsweets.com/colors/brands/boeing-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #18f2ee 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/lightcoral
- **Crimson** #dc143c [pool] — Crimson is paired with #18f2ee 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), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Coral** #ff7f50 [harmony: split] — Coral is a split-complement of #18f2ee: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/coral
- **Hot Pink** #ff69b4 [harmony: split] — Hot Pink is a split-complement of #18f2ee: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/hotpink
- **Emerald Green** #50c878 [harmony, pool: analogous] — Emerald Green is #18f2ee's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Supabase (https://brandsweets.com/colors/brands/supabase). — https://brandsweets.com/colors/emerald-green

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

- On white (#ffffff): 1.4:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #088280 (4.65:1); AA: background → #5e5e5e (4.62:1); AAA: text → #06605f (7.38:1); AAA: background → #424242 (7.17:1)
- On black (#000000): 14.97:1 — 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/18f2ee-a2bbbe-d45996-1f272d-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: "#18f2ee" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.