# #04af90

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

## Values

- Hex: `#04af90`
- RGB: rgb(4, 175, 144)
- HSL: hsl(169, 96%, 35%)
- OKLCH: oklch(0.673 0.128 173.9)
- Relative luminance: 0.327
- Nearest named color: Hobgoblin (#01ad8f, Δ 0.589) — https://brandsweets.com/colors/hobgoblin
- Moods: vivid
- Page: https://brandsweets.com/colors/04af90

## Tints & shades

- Tints (toward white): #04cda8, #05f0c5, #19fad1, #37fbd7, #5afcde, #78fce4, #96fdea, #b4fdf0, #d7fef7, #f5fffd
- Shades (toward black): #03a083, #039177, #03826b, #02735e, #026452, #025042, #014135, #013229, #01231d, #001410

## Harmonies

- Complementary: #af0423
- Analogous: #04af3a, #0479af
- Triadic: #9004af, #af9004
- Split-complementary: #af0479, #af3a04
- Tetradic: #3a04af, #af0423, #79af04

## Colors that go with #04af90

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 #04af90: softer than #000 and cool enough to feel like part of the same palette. Seen in: N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Coastal (https://brandsweets.com/palettes/cool#coastal). — https://brandsweets.com/colors/charcoal
- **Midnight Blue** #191970 [pool] — 6 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #04af90, 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), Ford (https://brandsweets.com/colors/brands/ford-com), Telehealth (https://brandsweets.com/palettes/modern#telehealth). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Diner and Lido put Mustard Yellow beside #04af90, as the accent. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Lido (https://brandsweets.com/palettes/vivid#lido), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #04af90 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 #04af90 in 13 real palettes, including Resort and Undergrowth, as the text colour against it. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Chime (https://brandsweets.com/colors/brands/chime-com), Obsidian (https://brandsweets.com/colors/brands/obsidian-md). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #04af90: 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), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice). — https://brandsweets.com/colors/tomato
- **Deep Pink** #ff1493 [harmony: complementary] — Deep Pink sits directly opposite #04af90 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
- **Blue** #0000ff [pool] — 3 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #04af90, 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). — https://brandsweets.com/colors/blue

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

- On white (#ffffff): 2.79:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #03826b (4.76:1); AA: background → #333333 (4.54:1); AAA: text → #026452 (7.13:1); AAA: background → #0a0a0a (7.11:1)
- On black (#000000): 7.54:1 — 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/04af90-a2bebc-d459ab-1f2a2d-e9f1ec?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: "#04af90" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.