# #90d581

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

## Values

- Hex: `#90d581`
- RGB: rgb(144, 213, 129)
- HSL: hsl(109, 50%, 67%)
- OKLCH: oklch(0.807 0.134 140)
- Relative luminance: 0.551
- Nearest named color: Fluorescence (#89d178, Δ 1.643) — https://brandsweets.com/colors/fluorescence
- Moods: neutral
- Page: https://brandsweets.com/colors/90d581

## Tints & shades

- Tints (toward white): #9ad98c, #a4dd98, #aee0a3, #b8e4af, #c6e9be, #d0edc9, #daf1d5, #e4f5e0, #eef9ec, #f8fcf7
- Shades (toward black): #7ccd6a, #65c44f, #54b83d, #49a136, #3f8a2e, #336f25, #28581d, #1e4116, #11260d, #070f05

## Harmonies

- Complementary: #c581d5
- Analogous: #bad581, #81d59b
- Triadic: #8190d5, #d58190
- Split-complementary: #9b81d5, #d581ba
- Tetradic: #81bad5, #c581d5, #d59b81

## Colors that go with #90d581

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 body-text near-black for #90d581: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), Docker (https://brandsweets.com/colors/brands/docker-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/charcoal
- **Plum** #dda0dd [harmony, pool: complementary] — Plum sits directly opposite #90d581 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #90d581: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #90d581 in 4 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Disney (https://brandsweets.com/colors/brands/disney-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #90d581 in 19 real palettes, including Citrus Grove and Rain Garden, as the text colour against it. Seen in: Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Rain Garden (https://brandsweets.com/palettes/cool#rain-garden), Acer (https://brandsweets.com/colors/brands/acer-com), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe
- **Lilac** #c8a2c8 [harmony, pool: split] — Lilac is a split-complement of #90d581: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — 3 real palettes, including Minecraft's brand system and Unity's brand system put Blue beside #90d581, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com), MongoDB (https://brandsweets.com/colors/brands/mongodb-com). — https://brandsweets.com/colors/blue
- **Champagne** #f7e7ce [pool] — 3 real palettes, including Forest Floor and Midnight Luxe put Champagne beside #90d581, as that palette's text colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Coffee Bar (https://brandsweets.com/palettes/dark#coffee-bar). — https://brandsweets.com/colors/champagne

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

- On white (#ffffff): 1.75:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #3d862d (4.52:1); AA: background → #4f4f4f (4.69:1); AAA: text → #2d6321 (7.2:1); AAA: background → #333333 (7.23:1)
- On black (#000000): 12.02:1 — 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/90d581-a4bea2-7e4edf-1f2d23-eef1e9?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: "#90d581" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.