# #51bd53

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

## Values

- Hex: `#51bd53`
- RGB: rgb(81, 189, 83)
- HSL: hsl(121, 45%, 53%)
- OKLCH: oklch(0.712 0.176 143.8)
- Relative luminance: 0.3877
- Nearest named color: Exit Light (#55bb33, Δ 2.535) — https://brandsweets.com/colors/exit-light
- Moods: neutral
- Page: https://brandsweets.com/colors/51bd53

## Tints & shades

- Tints (toward white): #64c465, #72ca74, #85d186, #94d695, #a6dda7, #b5e3b6, #c8eac8, #d6f0d7, #e9f7e9, #f8fcf8
- Shades (toward black): #43b145, #3c9f3e, #358d37, #2e7a30, #296b2a, #225923, #1b461b, #143414, #0d210d, #060f06

## Harmonies

- Complementary: #bd51bb
- Analogous: #85bd51, #51bd89
- Triadic: #5351bd, #bd5351
- Split-complementary: #8951bd, #bd5185
- Tetradic: #5185bd, #bd51bb, #bd8951

## Colors that go with #51bd53

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 #51bd53: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #51bd53 in 5 real palettes, including Brilliant's brand system and Khan Academy's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Docker (https://brandsweets.com/colors/brands/docker-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #51bd53 in 10 real palettes, including Meadow and Obsidian's brand system, as the text colour against it. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #51bd53 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/orchid
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #51bd53: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Blue** #0000ff [pool] — 3 real palettes, including Spotify's brand system and Minecraft's brand system put Blue beside #51bd53, as the accent. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Unity (https://brandsweets.com/colors/brands/unity-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: split] — Cornflower Blue is a split-complement of #51bd53: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #51bd53 in 3 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), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 2.4:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #328534 (4.63:1); AA: background → #3d3d3d (4.53:1); AAA: text → #266427 (7.16:1); AAA: background → #1c1c1c (7.1:1)
- On black (#000000): 8.75:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Sourcegraph** — primary #3fb950 (Δ 1.812) — https://brandsweets.com/colors/brands/sourcegraph-com

## Curated palettes containing it

- **Terminal** (technical, dark, modern) — #3fb950, #58a6ff, #f778ba, #0b0f14, #e6edf3 — Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare. — tool: https://brandsweets.com/palettes/new/3fb950-58a6ff-f778ba-0b0f14-e6edf3 — collection: https://brandsweets.com/palettes/technical

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/51bd53-a2bea6-9b4edf-1f2d26-edf1e9?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: "#51bd53" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.