# mediumspringgreen (#00fa9a)

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

## Values

- Hex: `#00fa9a`
- RGB: rgb(0, 250, 154)
- HSL: hsl(157, 100%, 49%)
- OKLCH: oklch(0.867 0.207 156.9)
- Relative luminance: 0.707
- Name: mediumspringgreen (`mediumspringgreen`, source: css)
- Moods: vivid
- Page: https://brandsweets.com/colors/mediumspringgreen

## Tints & shades

- Tints (toward white): #14ffa5, #2effaf, #47ffb9, #61ffc2, #7affcc, #8fffd4, #a8ffde, #c2ffe8, #dbfff1, #f5fffb
- Shades (toward black): #00e68e, #00cc7e, #00b871, #009e61, #008a55, #007045, #005c39, #004229, #002e1c, #00140d

## Harmonies

- Complementary: #fa0060
- Analogous: #00fa1d, #00ddfa
- Triadic: #9a00fa, #fa9a00
- Split-complementary: #fa00dd, #fa1d00
- Tetradic: #1d00fa, #fa0060, #ddfa00

## Colors that go with mediumspringgreen

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

- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite mediumspringgreen 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for mediumspringgreen: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with mediumspringgreen: 3 real palettes, including Prime Video's brand system and Remix's brand system, as the supporting colour. Seen in: Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run), Astro (https://brandsweets.com/colors/brands/astro-build). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of mediumspringgreen: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Plum** #dda0dd [harmony: split] — Plum is a split-complement of mediumspringgreen: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum
- **Crimson** #dc143c [pool] — Crimson is paired with mediumspringgreen in two real palettes: 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). — https://brandsweets.com/colors/crimson
- **Red** #ff0000 [pool] — Red is paired with mediumspringgreen in two real palettes: Gatorade's brand system and Wise's brand system, as the supporting colour. Seen in: Gatorade (https://brandsweets.com/colors/brands/gatorade-com), Wise (https://brandsweets.com/colors/brands/wise-com). — https://brandsweets.com/colors/red
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with mediumspringgreen in two real palettes: MongoDB's brand system and Docker's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.39:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008552 (4.69:1); AA: background → #5e5e5e (4.68:1); AAA: text → #00663f (7.07:1); AAA: background → #424242 (7.25:1)
- On black (#000000): 15.14:1 — 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/00fa9a-a2beb7-d459c4-1f2c2d-e9f1ea?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: "#00fa9a" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.