# #1fffc3

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

## Values

- Hex: `#1fffc3`
- RGB: rgb(31, 255, 195)
- HSL: hsl(164, 100%, 56%)
- OKLCH: oklch(0.89 0.177 167.6)
- Relative luminance: 0.7575
- Nearest named color: Hyperpop Green (#17f9a6, Δ 3.705) — https://brandsweets.com/colors/hyperpop-green
- Moods: vivid
- Page: https://brandsweets.com/colors/1fffc3

## Tints & shades

- Tints (toward white): #33ffc9, #47ffce, #61ffd5, #75ffda, #8affe0, #9effe5, #b3ffeb, #ccfff1, #e0fff7, #f5fffc
- Shades (toward black): #05ffbc, #00ebac, #00cc96, #00b383, #009970, #00805e, #00664b, #004734, #002e22, #00140f

## Harmonies

- Complementary: #ff1f5a
- Analogous: #1fff53, #1fcbff
- Triadic: #c31fff, #ffc31f
- Split-complementary: #ff1fcb, #ff531f
- Tetradic: #531fff, #ff1f5a, #cbff1f

## Colors that go with #1fffc3

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

- **Hot Pink** #ff69b4 [harmony: complementary] — Hot Pink sits directly opposite #1fffc3 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/hotpink
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #1fffc3: softer than #000 and cool enough to feel like part of the same palette. Seen in: Canopy (https://brandsweets.com/palettes/cool#canopy), 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 #1fffc3: 3 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Remix (https://brandsweets.com/colors/brands/remix-run). — https://brandsweets.com/colors/deepskyblue
- **Light Coral** #f08080 [harmony: split] — Light Coral is a split-complement of #1fffc3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/lightcoral
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #1fffc3: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet
- **Lime Green** #32cd32 [harmony, pool: analogous] — Lime Green is #1fffc3's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Duolingo (https://brandsweets.com/colors/brands/duolingo). — https://brandsweets.com/colors/limegreen
- **Crimson** #dc143c [pool] — Crimson is paired with #1fffc3 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
- **Hunter Green** #355e3b [pool] — Hunter Green is paired with #1fffc3 in two real palettes: Neon's brand system and Canopy, as the supporting colour. Seen in: Neon (https://brandsweets.com/colors/brands/neon-tech), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/hunter-green

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

- On white (#ffffff): 1.3:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #008561 (4.64:1); AA: background → #636363 (4.62:1); AAA: text → #006147 (7.5:1); AAA: background → #474747 (7.15:1)
- On black (#000000): 16.15:1 — 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/1fffc3-a2beba-d459b5-1f2b2d-e9f1eb?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: "#1fffc3" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.