# #30b09b

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

## Values

- Hex: `#30b09b`
- RGB: rgb(48, 176, 155)
- HSL: hsl(170, 57%, 44%)
- OKLCH: oklch(0.684 0.113 179.2)
- Relative luminance: 0.3405
- Nearest named color: Billiard (#00af9f, Δ 1.349) — https://brandsweets.com/colors/billiard
- Moods: neutral
- Page: https://brandsweets.com/colors/30b09b

## Tints & shades

- Tints (toward white): #36c4ac, #4bceb8, #5fd3c0, #77dac9, #8bdfd1, #9fe5d9, #b7ebe3, #cbf1ea, #e3f7f4, #f7fdfc
- Shades (toward black): #2ca08d, #27907f, #238071, #1f7063, #1a6054, #165046, #124038, #0d302a, #09201c, #04100e

## Harmonies

- Complementary: #b03046
- Analogous: #30b05b, #3086b0
- Triadic: #9b30b0, #b09b30
- Split-complementary: #b03086, #b05b30
- Tetradic: #5b30b0, #b03046, #86b030

## Colors that go with #30b09b

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 #30b09b: 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
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #30b09b on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal). — https://brandsweets.com/colors/hotpink
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #30b09b: 4 real palettes, including Canva's brand system and Spotify's brand system, as the supporting colour. Seen in: Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Terminal (https://brandsweets.com/palettes/technical#terminal), Arctic (https://brandsweets.com/palettes/clean#arctic). — https://brandsweets.com/colors/cornflowerblue
- **Midnight Blue** #191970 [pool] — 8 real palettes, including Fintech Trust and Ford's brand system put Midnight Blue beside #30b09b, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Ford (https://brandsweets.com/colors/brands/ford-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Diner and Lido put Mustard Yellow beside #30b09b, 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 #30b09b in 7 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), Confluent (https://brandsweets.com/colors/brands/confluent-io), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #30b09b in 16 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), Polaroid (https://brandsweets.com/palettes/light#polaroid), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Tomato** #ff6347 [harmony, pool: split] — Tomato is a split-complement of #30b09b: 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

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

- On white (#ffffff): 2.69:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #248474 (4.54:1); AA: background → #333333 (4.7:1); AAA: text → #1a6054 (7.38:1); AAA: background → #0f0f0f (7.13:1)
- On black (#000000): 7.81:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **N26** — primary #48ac98 (Δ 1.536) — https://brandsweets.com/colors/brands/n26-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/30b09b-a2bebd-d459a9-1f292d-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: "#30b09b" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.