# #28af72

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

## Values

- Hex: `#28af72`
- RGB: rgb(40, 175, 114)
- HSL: hsl(153, 63%, 42%)
- OKLCH: oklch(0.669 0.145 158.1)
- Relative luminance: 0.3233
- Nearest named color: mediumseagreen (#3cb371, Δ 1.672) — https://brandsweets.com/colors/mediumseagreen
- Moods: vivid
- Page: https://brandsweets.com/colors/28af72

## Tints & shades

- Tints (toward white): #2dc882, #3cd38f, #55d89d, #69dda9, #82e3b7, #9be8c6, #b0edd2, #c9f3e0, #def7ec, #f7fdfa
- Shades (toward black): #249e67, #208d5c, #1d8154, #197049, #16603e, #124f34, #0e3e29, #0b3221, #082116, #04110b

## Harmonies

- Complementary: #af2864
- Analogous: #28af2e, #28a8af
- Triadic: #7228af, #af7228
- Split-complementary: #af28a8, #af2e28
- Tetradic: #2e28af, #af2864, #a8af28

## Colors that go with #28af72

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 #28af72: softer than #000 and cool enough to feel like part of the same palette. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Zendesk (https://brandsweets.com/colors/brands/zendesk-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #28af72, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Kia (https://brandsweets.com/colors/brands/kia-com). — https://brandsweets.com/colors/blue
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #28af72, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Ford (https://brandsweets.com/colors/brands/ford-com). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Diner and Meadow put Mustard Yellow beside #28af72, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Meadow (https://brandsweets.com/palettes/light#meadow), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #28af72 in 5 real palettes, including Khan Academy's brand system and Console Light, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #28af72 in 12 real palettes, including Chime's brand system and Undergrowth, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Fuchsia** #ff00ff [harmony: complementary] — Fuchsia sits directly opposite #28af72 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/fuchsia
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #28af72 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 2.81:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1e8557 (4.62:1); AA: background → #303030 (4.69:1); AAA: text → #176441 (7.15:1); AAA: background → #0a0a0a (7.04:1)
- On black (#000000): 7.47:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **DuckDuckGo** — accent #38b26a (Δ 1.693) — https://brandsweets.com/colors/brands/duckduckgo-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/28af72-a2beb5-d459cc-1f2d2d-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: "#28af72" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.