# #37e18f

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

## Values

- Hex: `#37e18f`
- RGB: rgb(55, 225, 143)
- HSL: hsl(151, 74%, 55%)
- OKLCH: oklch(0.807 0.179 156.6)
- Relative luminance: 0.5665
- Nearest named color: Envy’s Love (#2dd78d, Δ 2.907) — https://brandsweets.com/colors/envys-love
- Moods: vivid
- Page: https://brandsweets.com/colors/37e18f

## Tints & shades

- Tints (toward white): #49e499, #5fe7a5, #71eaaf, #83ecb9, #99f0c6, #abf2d0, #bcf5da, #cef8e4, #e4fbf0, #f6fefa
- Shades (toward black): #21de83, #1ec876, #1bb169, #179b5b, #14854e, #106a3f, #0d5432, #093e25, #062818, #03120a

## Harmonies

- Complementary: #e13789
- Analogous: #37e13a, #37dee1
- Triadic: #8f37e1, #e18f37
- Split-complementary: #e137de, #e13a37
- Tetradic: #3a37e1, #e13789, #dee137

## Colors that go with #37e18f

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 #37e18f: 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). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #37e18f: 4 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Fresh Juice and Citrus Grove put Mustard Yellow beside #37e18f, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #37e18f in 4 real palettes, including Docker's brand system and MongoDB's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #37e18f in 12 real palettes, including 7-Eleven's brand system and WhatsApp's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Chime (https://brandsweets.com/colors/brands/chime-com), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #37e18f 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 #37e18f: 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
- **Blue** #0000ff [pool] — 3 real palettes, including MongoDB's brand system and Minecraft's brand system put Blue beside #37e18f, as the accent. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 1.7:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #14854e (4.67:1); AA: background → #525252 (4.59:1); AAA: text → #0f663c (7.03:1); AAA: background → #363636 (7.09:1)
- On black (#000000): 12.33:1 — 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/37e18f-a2beb4-d459d0-1f2d2c-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: "#37e18f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.