# #03d31b

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

## Values

- Hex: `#03d31b`
- RGB: rgb(3, 211, 27)
- HSL: hsl(127, 97%, 42%)
- OKLCH: oklch(0.752 0.25 143.1)
- Relative luminance: 0.4669
- Nearest named color: Candy Green (#33cc00, Δ 1.903) — https://brandsweets.com/colors/candy-green
- Moods: vivid
- Page: https://brandsweets.com/colors/03d31b

## Tints & shades

- Tints (toward white): #04f11f, #13fb2e, #31fc49, #4afc5f, #68fd7a, #86fd94, #a0feab, #befec5, #d7fedb, #f5fff6
- Shades (toward black): #03bf19, #03ab16, #029c14, #028812, #02740f, #015f0c, #014b0a, #013c08, #012805, #001403

## Harmonies

- Complementary: #d303bb
- Analogous: #53d303, #03d383
- Triadic: #1b03d3, #d31b03
- Split-complementary: #8303d3, #d30353
- Tetradic: #0353d3, #d303bb, #d38303

## Colors that go with #03d31b

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Taupe** #483c32 [pool] — Taupe is paired with #03d31b in 8 real palettes, including WhatsApp's brand system and Obsidian's brand system, as the supporting colour. Seen in: WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #03d31b 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
- **Hot Pink** #ff69b4 [harmony, pool: split] — Hot Pink is a split-complement of #03d31b: 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 Minecraft's brand system and MongoDB's brand system put Blue beside #03d31b, as the accent. Seen in: Minecraft (https://brandsweets.com/colors/brands/minecraft-net), MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #03d31b — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify). — https://brandsweets.com/colors/cornflowerblue
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #03d31b in 3 real palettes, including Learning App and Playground, as the accent. Seen in: Learning App (https://brandsweets.com/palettes/playful#learning-app), Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/darkorange
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of #03d31b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Charcoal** #36454f [role] — Charcoal is the body-text near-black for #03d31b: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. — https://brandsweets.com/colors/charcoal

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

- On white (#ffffff): 2.03:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #028812 (4.63:1); AA: background → #474747 (4.57:1); AAA: text → #02640d (7.42:1); AAA: background → #292929 (7.16:1)
- On black (#000000): 10.34:1 — 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/03d31b-a2bea8-aa4edf-1f2d27-ecf1e9?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: "#03d31b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.