# #a3f5bb

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

## Values

- Hex: `#a3f5bb`
- RGB: rgb(163, 245, 187)
- HSL: hsl(138, 80%, 80%)
- OKLCH: oklch(0.902 0.113 152.9)
- Relative luminance: 0.7668
- Nearest named color: Ultra Mint (#a3efb8, Δ 1.558) — https://brandsweets.com/colors/ultra-mint
- Moods: vivid, light, clean
- Page: https://brandsweets.com/colors/a3f5bb

## Tints & shades

- Tints (toward white): #acf6c2, #b6f7c9, #baf7cd, #c3f8d3, #cdf9da, #d6fae1, #dffbe7, #e3fceb, #edfdf2, #f6fef8
- Shades (toward black): #7ef1a1, #5eed89, #3ae96e, #19e657, #15c149, #119c3b, #0e7c2f, #0a5721, #063715, #021207

## Harmonies

- Complementary: #f5a3dc
- Analogous: #b4f5a3, #a3f5e4
- Triadic: #bca3f5, #f5bca3
- Split-complementary: #e4a3f5, #f5a3b4
- Tetradic: #a3b4f5, #f5a3dc, #f5e4a3

## Colors that go with #a3f5bb

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 #a3f5bb: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Sweetgreen (https://brandsweets.com/colors/brands/sweetgreen-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Crimson** #dc143c [pool] — Crimson is paired with #a3f5bb in 4 real palettes, including Formula 1's brand system and Wise's brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Wise (https://brandsweets.com/colors/brands/wise-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #a3f5bb 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), BrandSweets (https://brandsweets.com/colors/brands/brandsweets), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #a3f5bb: 5 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), Deep Water (https://brandsweets.com/palettes/dark#deep-water), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #a3f5bb in 4 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), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Fireside (https://brandsweets.com/palettes/dark#fireside). — https://brandsweets.com/colors/hunter-green
- **Peru** #cd853f [pool] — 4 real palettes, including Woodsmoke and Coffee Bar put Peru beside #a3f5bb, as the lead colour. Seen in: Woodsmoke (https://brandsweets.com/palettes/dark#woodsmoke), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar), Kiln (https://brandsweets.com/palettes/dark#kiln), Mid-Century (https://brandsweets.com/palettes/warm#mid-century). — https://brandsweets.com/colors/peru
- **Sage Green** #9caf88 [pool] — Designers have shipped Sage Green with #a3f5bb: 6 real palettes, including Forest Floor and Pine & Birch, as the lead colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Pine & Birch (https://brandsweets.com/palettes/clean#pine-and-birch), Darkroom (https://brandsweets.com/palettes/muted#darkroom), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard). — https://brandsweets.com/colors/sage-green
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #a3f5bb 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

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

- On white (#ffffff): 1.29:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #0f8532 (4.75:1); AA: background → #636363 (4.67:1); AAA: text → #0b6526 (7.23:1); AAA: background → #474747 (7.23:1)
- On black (#000000): 16.34:1 — AA pass, AA-large pass, AAA pass

## Fonts for this mood

- 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/a3f5bb-a2beae-be59d4-1f2d29-ebf1e9?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: "#a3f5bb" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.