# #1fefe5

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

## Values

- Hex: `#1fefe5`
- RGB: rgb(31, 239, 229)
- HSL: hsl(177, 87%, 53%)
- OKLCH: oklch(0.86 0.145 189.3)
- Relative luminance: 0.6768
- Nearest named color: Frozen Boubble (#00eedd, Δ 1.229) — https://brandsweets.com/colors/frozen-boubble
- Moods: vivid
- Page: https://brandsweets.com/colors/1fefe5

## Tints & shades

- Tints (toward white): #37f1e8, #4af2ea, #62f4ed, #75f5ef, #8df7f2, #a0f8f4, #b7faf7, #cbfbf9, #e2fdfc, #f5fefe
- Shades (toward black): #10e5da, #0ecdc4, #0db5ad, #0b9d96, #0a8a84, #08726d, #065b56, #054340, #032b29, #011312

## Harmonies

- Complementary: #ef1f29
- Analogous: #1fef7d, #1f92ef
- Triadic: #e51fef, #efe51f
- Split-complementary: #ef1f92, #ef7d1f
- Tetradic: #7d1fef, #ef1f29, #92ef1f

## Colors that go with #1fefe5

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 text near-black for #1fefe5: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Vimeo (https://brandsweets.com/colors/brands/vimeo-com), Canopy (https://brandsweets.com/palettes/cool#canopy), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #1fefe5's neighbour on the wheel, so the two read as one family — use it for hover states, gradients and secondary surfaces. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Prime Video (https://brandsweets.com/colors/brands/primevideo-com). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #1fefe5 in 7 real palettes, including Astro's brand system and Mint Chip, as the text colour against it. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Mint Chip (https://brandsweets.com/palettes/light#mint-chip), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #1fefe5 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/lightcoral
- **Crimson** #dc143c [pool] — Crimson is paired with #1fefe5 in 3 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour. Seen in: Formula 1 (https://brandsweets.com/colors/brands/formula1-com), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember). — https://brandsweets.com/colors/crimson
- **Goldenrod** #daa520 [harmony, pool: triadic] — Goldenrod completes a triad with #1fefe5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Ledger Dark (https://brandsweets.com/palettes/dark#ledger-dark). — https://brandsweets.com/colors/goldenrod
- **Dark Salmon** #e9967a [harmony: split] — Dark Salmon is a split-complement of #1fefe5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/darksalmon
- **Violet** #ee82ee [harmony: split] — Violet is a split-complement of #1fefe5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/violet

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

- On white (#ffffff): 1.44:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #09817b (4.73:1); AA: background → #5c5c5c (4.63:1); AAA: text → #07645f (7.01:1); AAA: background → #404040 (7.18:1)
- On black (#000000): 14.54:1 — 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/1fefe5-a2bcbe-d4599b-1f282d-e9f1ed?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: "#1fefe5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.