# #28af88

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

## Values

- Hex: `#28af88`
- RGB: rgb(40, 175, 136)
- HSL: hsl(163, 63%, 42%)
- OKLCH: oklch(0.675 0.126 168.3)
- Relative luminance: 0.3289
- Nearest named color: Herbal (#29ab87, Δ 1.161) — https://brandsweets.com/colors/herbal
- Moods: vivid
- Page: https://brandsweets.com/colors/28af88

## Tints & shades

- Tints (toward white): #2dc89c, #3cd3a8, #55d8b3, #69ddbc, #82e3c7, #9be8d3, #b0eddc, #c9f3e7, #def7f0, #f7fdfb
- Shades (toward black): #249e7b, #208d6e, #1d8165, #197058, #16604b, #124f3e, #0e3e31, #0b3227, #08211a, #04110d

## Harmonies

- Complementary: #af284e
- Analogous: #28af45, #2891af
- Triadic: #8828af, #af8828
- Split-complementary: #af2891, #af4528
- Tetradic: #4528af, #af284e, #91af28

## Colors that go with #28af88

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 #28af88: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #28af88, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #28af88, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Diner and Meadow put Mustard Yellow beside #28af88, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Meadow (https://brandsweets.com/palettes/light#meadow), Lido (https://brandsweets.com/palettes/vivid#lido), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #28af88 in 6 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #28af88 in 15 real palettes, including Undergrowth and Chime's brand system, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Chime (https://brandsweets.com/colors/brands/chime-com), Resort (https://brandsweets.com/palettes/light#resort), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #28af88: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Lido (https://brandsweets.com/palettes/vivid#lido), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/tomato
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #28af88 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/deeppink

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

- On white (#ffffff): 2.77:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1e8568 (4.56:1); AA: background → #333333 (4.56:1); AAA: text → #17644e (7.07:1); AAA: background → #0d0d0d (7.01:1)
- On black (#000000): 7.58:1 — 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/28af88-a2beb9-d459b7-1f2b2d-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: "#28af88" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.