# #31a09e

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

## Values

- Hex: `#31a09e`
- RGB: rgb(49, 160, 158)
- HSL: hsl(179, 53%, 41%)
- OKLCH: oklch(0.645 0.097 193.3)
- Relative luminance: 0.2826
- Nearest named color: Baltic (#279d9f, Δ 1.132) — https://brandsweets.com/colors/baltic
- Moods: neutral
- Page: https://brandsweets.com/colors/31a09e

## Tints & shades

- Tints (toward white): #38b7b5, #44c5c3, #5bcdcb, #73d4d2, #8adbda, #9de1e0, #b5e8e7, #ccefef, #e0f5f5, #f7fdfd
- Shades (toward black): #2c908f, #298583, #247574, #1f6564, #1c5a59, #174a49, #123b3a, #0d2b2a, #0a1f1f, #05100f

## Harmonies

- Complementary: #a03133
- Analogous: #31a067, #316aa0
- Triadic: #9e31a0, #a09e31
- Split-complementary: #a0316a, #a06731
- Tetradic: #6731a0, #a03133, #6aa031

## Colors that go with #31a09e

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 #31a09e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), N26 (https://brandsweets.com/colors/brands/n26-com), Lido (https://brandsweets.com/palettes/vivid#lido). — https://brandsweets.com/colors/charcoal
- **Red** #ff0000 [harmony, pool: complementary] — Red sits directly opposite #31a09e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Nike (https://brandsweets.com/colors/brands/nike-com), Heineken (https://brandsweets.com/colors/brands/heineken-com). — https://brandsweets.com/colors/red
- **Copper** #b87333 [pool] — Designers have shipped Copper with #31a09e: 5 real palettes, including Clean Beauty and Dusk, as the accent. Seen in: Clean Beauty (https://brandsweets.com/palettes/minimal#clean-beauty), Dusk (https://brandsweets.com/palettes/cool#dusk), Wellness (https://brandsweets.com/palettes/warm#wellness), Atelier (https://brandsweets.com/palettes/elegant#atelier). — https://brandsweets.com/colors/copper
- **Crimson** #dc143c [pool] — Crimson is paired with #31a09e in 6 real palettes, including Diner and Redfin's brand system, as the lead colour. Seen in: Diner (https://brandsweets.com/palettes/vivid#diner), Redfin (https://brandsweets.com/colors/brands/redfin-com), DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Retro Pop (https://brandsweets.com/palettes/playful#retro-pop). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #31a09e: 9 real palettes, including Peacock and Gopro's brand system, as the supporting colour. Seen in: Peacock (https://brandsweets.com/palettes/vivid#peacock), Gopro (https://brandsweets.com/colors/brands/gopro-com), Dusk (https://brandsweets.com/palettes/cool#dusk), Open House (https://brandsweets.com/palettes/clean#open-house). — https://brandsweets.com/colors/denim
- **Midnight Blue** #191970 [pool] — 9 real palettes, including Ford's brand system and Tide Pool put Midnight Blue beside #31a09e, as the lead colour. Seen in: Ford (https://brandsweets.com/colors/brands/ford-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool), SoFi (https://brandsweets.com/colors/brands/sofi-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/midnightblue
- **Orange** #ffa500 [pool] — 4 real palettes, including Mint Modern and Gopro's brand system put Orange beside #31a09e, as the accent. Seen in: Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), Gopro (https://brandsweets.com/colors/brands/gopro-com), Olympics (https://brandsweets.com/colors/brands/olympics-com), Graphite (https://brandsweets.com/palettes/technical#graphite). — https://brandsweets.com/colors/orange
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #31a09e in 5 real palettes, including Confluent's brand system and Khan Academy's brand system, as the supporting colour. Seen in: Confluent (https://brandsweets.com/colors/brands/confluent-io), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Elastic (https://brandsweets.com/colors/brands/elastic-co). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 3.16:1 — AA fail, AA-large pass, AAA fail. Fix: AA: text → #28817f (4.63:1); AA: background → #292929 (4.61:1); AAA: text → #1e6260 (7.07:1)
- On black (#000000): 6.65:1 — AA pass, AA-large pass, AAA fail. Fix: AAA: text → #34a8a6 (7.3:1)

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/31a09e-a2bbbe-d45996-1f272d-e9f1ed?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: "#31a09e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.