# #c3d581

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

## Values

- Hex: `#c3d581`
- RGB: rgb(195, 213, 129)
- HSL: hsl(73, 50%, 67%)
- OKLCH: oklch(0.84 0.11 118.7)
- Relative luminance: 0.6078
- Nearest named color: Alligator Alley (#c5d17b, Δ 1.036) — https://brandsweets.com/colors/alligator-alley
- Moods: neutral
- Page: https://brandsweets.com/colors/c3d581

## Tints & shades

- Tints (toward white): #c8d98c, #cedd98, #d3e0a3, #d9e4af, #e0e9be, #e5edc9, #ebf1d5, #f0f5e0, #f6f9ec, #fbfcf7
- Shades (toward black): #b8cd6a, #abc44f, #9db83d, #89a136, #768a2e, #5f6f25, #4b581d, #384116, #21260d, #0d0f05

## Harmonies

- Complementary: #9381d5
- Analogous: #d5bd81, #99d581
- Triadic: #81c3d5, #d581c3
- Split-complementary: #8199d5, #bd81d5
- Tetradic: #81d5bd, #9381d5, #d58199

## Colors that go with #c3d581

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 #c3d581: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Canopy (https://brandsweets.com/palettes/cool#canopy), Lido (https://brandsweets.com/palettes/vivid#lido), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Sky Blue** #87ceeb [harmony, pool: triadic] — Sky Blue completes a triad with #c3d581 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Oatly (https://brandsweets.com/colors/brands/oatly-com), Still Water (https://brandsweets.com/palettes/cool#still-water), Pastel Pop (https://brandsweets.com/palettes/playful#pastel-pop). — https://brandsweets.com/colors/skyblue
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #c3d581 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com). — https://brandsweets.com/colors/lilac
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #c3d581: 5 real palettes, including Coastal and Diner, as the lead colour. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Diner (https://brandsweets.com/palettes/vivid#diner), Estate (https://brandsweets.com/palettes/luxury#estate), Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty). — https://brandsweets.com/colors/cadetblue
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #c3d581: 4 real palettes, including NBA's brand system and Blueprint, as the accent. Seen in: NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #c3d581 in 10 real palettes, including Diner and Wise's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Wise (https://brandsweets.com/colors/brands/wise-com), Wells Fargo (https://brandsweets.com/colors/brands/wellsfargo-com), Tabloid (https://brandsweets.com/palettes/editorial#tabloid). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #c3d581 in 4 real palettes, including Miro's brand system and Oatmeal, as the supporting colour. Seen in: Miro (https://brandsweets.com/colors/brands/miro-com), Oatmeal (https://brandsweets.com/palettes/neutral#oatmeal), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth). — https://brandsweets.com/colors/darkolivegreen
- **Denim** #1560bd [pool] — Designers have shipped Denim with #c3d581: 8 real palettes, including Wikipedia's brand system and FIFA's brand system, as the supporting colour. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), FIFA (https://brandsweets.com/colors/brands/fifa-com), Walmart (https://brandsweets.com/colors/brands/walmart-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim

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

- On white (#ffffff): 1.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #6c7e2a (4.51:1); AA: background → #575757 (4.53:1); AAA: text → #4f5c1f (7.28:1); AAA: background → #3b3b3b (7.02:1)
- On black (#000000): 13.16:1 — 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/c3d581-b5bea2-4e75df-242d1f-f1efe9?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: "#c3d581" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.