# #37b998

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

## Values

- Hex: `#37b998`
- RGB: rgb(55, 185, 152)
- HSL: hsl(165, 54%, 47%)
- OKLCH: oklch(0.708 0.122 172)
- Relative luminance: 0.3778
- Nearest named color: Electra (#55b492, Δ 2.025) — https://brandsweets.com/colors/electra
- Moods: neutral
- Page: https://brandsweets.com/colors/37b998

## Tints & shades

- Tints (toward white): #43c7a6, #56cdaf, #6ad2b8, #7dd8c2, #95dfcd, #a9e5d6, #bcebdf, #d0f1e9, #e4f7f2, #f7fdfb
- Shades (toward black): #32a98b, #2d957b, #28866e, #237661, #1e6654, #195244, #144337, #0f332a, #091f1a, #05100d

## Harmonies

- Complementary: #b93757
- Analogous: #37b957, #3798b9
- Triadic: #9837b9, #b99837
- Split-complementary: #b93798, #b95737
- Tetradic: #5737b9, #b93757, #98b937

## Colors that go with #37b998

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 #37b998: softer than #000 and cool enough to feel like part of the same palette. Seen in: Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Mint Modern (https://brandsweets.com/palettes/modern#mint-modern), N26 (https://brandsweets.com/colors/brands/n26-com), Docker (https://brandsweets.com/colors/brands/docker-com). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #37b998 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
- **Blue** #0000ff [pool] — 4 real palettes, including Unity's brand system and Canva's brand system put Blue beside #37b998, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Canva (https://brandsweets.com/colors/brands/canva-com), Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Midnight Blue** #191970 [pool] — 7 real palettes, including Fintech Trust and Ford's brand system put Midnight Blue beside #37b998, 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] — 6 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #37b998, as the accent. Seen in: Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #37b998 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), Docker (https://brandsweets.com/colors/brands/docker-com), Confluent (https://brandsweets.com/colors/brands/confluent-io). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #37b998 in 17 real palettes, including Resort and Chime's brand system, as the text colour against it. Seen in: Resort (https://brandsweets.com/palettes/light#resort), Chime (https://brandsweets.com/colors/brands/chime-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/taupe
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #37b998: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/lightcoral

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

- On white (#ffffff): 2.45:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #27826b (4.68:1); AA: background → #3b3b3b (4.56:1); AAA: text → #1d6251 (7.2:1); AAA: background → #1a1a1a (7.09:1)
- On black (#000000): 8.56:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Khan Academy** — primary #14bc94 (Δ 1.628) — https://brandsweets.com/colors/brands/khanacademy-org
- **Khan Academy** — secondary #0cbc94 (Δ 1.714) — https://brandsweets.com/colors/brands/khanacademy-org

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/37b998-a2beba-d459b3-1f2b2d-e9f1eb?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: "#37b998" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.