# #55ce99

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

## Values

- Hex: `#55ce99`
- RGB: rgb(85, 206, 153)
- HSL: hsl(154, 55%, 57%)
- OKLCH: oklch(0.769 0.134 161.7)
- Relative luminance: 0.4837
- Nearest named color: mediumaquamarine (#66cdaa, Δ 2.941) — https://brandsweets.com/colors/mediumaquamarine
- Moods: neutral
- Page: https://brandsweets.com/colors/55ce99

## Tints & shades

- Tints (toward white): #65d2a3, #75d7ac, #84dbb6, #94e0bf, #a8e6cb, #b8ead4, #c8efde, #d7f4e7, #e7f8f1, #f7fdfa
- Shades (toward black): #41c88e, #35b67e, #2fa270, #298e63, #247b55, #1d6344, #174f37, #113b29, #0a2419, #05100b

## Harmonies

- Complementary: #ce5589
- Analogous: #55ce5d, #55c6ce
- Triadic: #9955ce, #ce9955
- Split-complementary: #ce55c6, #ce5d55
- Tetradic: #5d55ce, #ce5589, #c6ce55

## Colors that go with #55ce99

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 #55ce99: 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), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Minecraft's brand system put Blue beside #55ce99, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Crimson** #dc143c [pool] — Crimson is paired with #55ce99 in 5 real palettes, including Tiffany & Co.'s brand system and DuckDuckGo's brand system, as the supporting colour. Seen in: Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Crayon Box put Mustard Yellow beside #55ce99, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/mustard
- **Taupe** #483c32 [pool] — Taupe is paired with #55ce99 in 19 real palettes, including Chime's brand system and WhatsApp's brand system, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden). — https://brandsweets.com/colors/taupe
- **Wheat** #f5deb3 [pool] — Designers have shipped Wheat with #55ce99: 4 real palettes, including Resort and Mint Chip, as the accent. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Oatly (https://brandsweets.com/colors/brands/oatly-com). — https://brandsweets.com/colors/wheat
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #55ce99 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/violet
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #55ce99: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 1.97:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #27865d (4.51:1); AA: background → #4a4a4a (4.5:1); AAA: text → #1d6344 (7.19:1); AAA: background → #2b2b2b (7.2:1)
- On black (#000000): 10.67:1 — 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/55ce99-a2beb5-d459ca-1f2d2d-e9f1ea?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: "#55ce99" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.