# #43f4e5

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

## Values

- Hex: `#43f4e5`
- RGB: rgb(67, 244, 229)
- HSL: hsl(175, 89%, 61%)
- OKLCH: oklch(0.877 0.14 186.4)
- Relative luminance: 0.7155
- Nearest named color: Frozen Boubble (#00eedd, Δ 2.548) — https://brandsweets.com/colors/frozen-boubble
- Moods: vivid
- Page: https://brandsweets.com/colors/43f4e5

## Tints & shades

- Tints (toward white): #56f5e8, #65f6ea, #78f7ed, #8bf8ef, #9ff9f2, #adfaf4, #c0fbf6, #d4fcf9, #e2fdfb, #f5fefe
- Shades (toward black): #26f2e1, #0ef1de, #0cd4c3, #0bb7a9, #099f93, #088278, #06655d, #044843, #03302c, #011312

## Harmonies

- Complementary: #f44352
- Analogous: #43f48d, #43aaf4
- Triadic: #e543f4, #f4e543
- Split-complementary: #f443aa, #f48d43
- Tetradic: #8d43f4, #f44352, #aaf443

## Colors that go with #43f4e5

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 #43f4e5: softer than #000 and cool enough to feel like part of the same palette. Seen in: UEFA (https://brandsweets.com/colors/brands/uefa-com), Frost & Ember (https://brandsweets.com/palettes/bold#frost-and-ember), Canopy (https://brandsweets.com/palettes/cool#canopy), Boeing (https://brandsweets.com/colors/brands/boeing-com). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: analogous] — Deep Sky Blue is #43f4e5'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), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #43f4e5 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), Boeing (https://brandsweets.com/colors/brands/boeing-com), Macaron (https://brandsweets.com/palettes/light#macaron). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony: complementary] — Light Coral sits directly opposite #43f4e5 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 #43f4e5 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
- **Plum** #dda0dd [harmony, pool: triadic] — Plum completes a triad with #43f4e5 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Netlify (https://brandsweets.com/colors/brands/netlify-com), Blossom (https://brandsweets.com/palettes/light#blossom). — https://brandsweets.com/colors/plum
- **Steel Blue** #4682b4 [pool] — Designers have shipped Steel Blue with #43f4e5: 3 real palettes, including Astro's brand system and Glacier, as the lead colour. Seen in: Astro (https://brandsweets.com/colors/brands/astro-build), Glacier (https://brandsweets.com/palettes/cool#glacier), Deep Water (https://brandsweets.com/palettes/dark#deep-water). — https://brandsweets.com/colors/steelblue
- **Salmon** #fa8072 [harmony: split] — Salmon is a split-complement of #43f4e5: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. — https://brandsweets.com/colors/salmon

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

- On white (#ffffff): 1.37:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #088278 (4.69:1); AA: background → #616161 (4.52:1); AAA: text → #066059 (7.43:1); AAA: background → #424242 (7.33:1)
- On black (#000000): 15.31:1 — 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/43f4e5-a2bdbe-d4599f-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: "#43f4e5" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.