# #1fef8b

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

## Values

- Hex: `#1fef8b`
- RGB: rgb(31, 239, 139)
- HSL: hsl(151, 87%, 53%)
- OKLCH: oklch(0.838 0.204 154.5)
- Relative luminance: 0.6389
- Nearest named color: Emerald Ice Palace (#2af589, Δ 1.828) — https://brandsweets.com/colors/emerald-ice-palace
- Moods: vivid
- Page: https://brandsweets.com/colors/1fef8b

## Tints & shades

- Tints (toward white): #37f197, #4af2a1, #62f4ad, #75f5b7, #8df7c4, #a0f8cd, #b7fada, #cbfbe4, #e2fdf0, #f5fefa
- Shades (toward black): #10e57e, #0ecd71, #0db564, #0b9d57, #0a8a4c, #08723f, #065b32, #054325, #032b18, #01130a

## Harmonies

- Complementary: #ef1f84
- Analogous: #1fef22, #1fecef
- Triadic: #8b1fef, #ef8b1f
- Split-complementary: #ef1fec, #ef221f
- Tetradic: #221fef, #ef1f84, #ecef1f

## Colors that go with #1fef8b

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

- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #1fef8b: 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
- **Taupe** #483c32 [pool] — Taupe is paired with #1fef8b in 7 real palettes, including 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #1fef8b 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 #1fef8b: 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
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1fef8b in 3 real palettes, including 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), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Yellow Green** #9acd32 [harmony, pool: analogous] — Yellow Green is #1fef8b's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Monster Energy (https://brandsweets.com/colors/brands/monsterenergy-com), Acer (https://brandsweets.com/colors/brands/acer-com). — https://brandsweets.com/colors/yellowgreen
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #1fef8b: 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 #1fef8b: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/plum

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

- On white (#ffffff): 1.52:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #098649 (4.65:1); AA: background → #595959 (4.6:1); AAA: text → #076437 (7.27:1); AAA: background → #3d3d3d (7.13:1)
- On black (#000000): 13.78:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Remix** — accent #06ea8a (Δ 1.496) — https://brandsweets.com/colors/brands/remix-run

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/1fef8b-a2beb4-d459d0-1f2d2c-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: "#1fef8b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
