# #28bd78

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

## Values

- Hex: `#28bd78`
- RGB: rgb(40, 189, 120)
- HSL: hsl(152, 65%, 45%)
- OKLCH: oklch(0.707 0.157 157.1)
- Relative luminance: 0.382
- Nearest named color: Fennel Fiesta (#00bb77, Δ 1.093) — https://brandsweets.com/colors/fennel-fiesta
- Moods: vivid
- Page: https://brandsweets.com/colors/28bd78

## Tints & shades

- Tints (toward white): #2dd285, #46d894, #5bdca0, #70e1ac, #89e6bb, #9eeac7, #b3efd3, #c8f3df, #e2f9ee, #f7fdfa
- Shades (toward black): #25ad6d, #219c62, #1d8b58, #1a7a4d, #166943, #125435, #0e432b, #0b3220, #072215, #04110b

## Harmonies

- Complementary: #bd286e
- Analogous: #28bd2d, #28b8bd
- Triadic: #7828bd, #bd7828
- Split-complementary: #bd28b8, #bd2d28
- Tetradic: #2d28bd, #bd286e, #b8bd28

## Colors that go with #28bd78

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 #28bd78: 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), Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-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 #28bd78, 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), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #28bd78 — 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), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Meadow and Fresh Juice put Mustard Yellow beside #28bd78, as the supporting colour. Seen in: 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), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #28bd78 in 5 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), Docker (https://brandsweets.com/colors/brands/docker-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #28bd78 in 13 real palettes, including Chime's brand system and Obsidian's brand system, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #28bd78 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/orchid
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #28bd78 in 3 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/darkolivegreen

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

- On white (#ffffff): 2.43:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #1d8755 (4.52:1); AA: background → #3b3b3b (4.61:1); AAA: text → #156540 (7.08:1); AAA: background → #1c1c1c (7.01:1)
- On black (#000000): 8.64:1 — 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/28bd78-a2beb4-d459ce-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: "#28bd78" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.
