# #1dbf91

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

## Values

- Hex: `#1dbf91`
- RGB: rgb(29, 191, 145)
- HSL: hsl(163, 74%, 43%)
- OKLCH: oklch(0.717 0.141 167.2)
- Relative luminance: 0.3957
- Nearest named color: Bleached Olive (#55bb88, Δ 2.646) — https://brandsweets.com/colors/bleached-olive
- Moods: vivid
- Page: https://brandsweets.com/colors/1dbf91

## Tints & shades

- Tints (toward white): #20d9a5, #33e1af, #4ee4ba, #64e8c2, #7eeccd, #95efd5, #aff3e0, #c5f6e8, #e0faf3, #f6fefc
- Shades (toward black): #1aad83, #179b76, #158a68, #12785b, #106a51, #0d5943, #0b4736, #083528, #05231b, #03120d

## Harmonies

- Complementary: #bf1d4a
- Analogous: #1dbf40, #1d9cbf
- Triadic: #911dbf, #bf911d
- Split-complementary: #bf1d9c, #bf401d
- Tetradic: #401dbf, #bf1d4a, #9cbf1d

## Colors that go with #1dbf91

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 #1dbf91: 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), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), Docker (https://brandsweets.com/colors/brands/docker-com), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #1dbf91 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 Spotify's brand system put Blue beside #1dbf91, 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), Minecraft (https://brandsweets.com/colors/brands/minecraft-net). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #1dbf91 — 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
- **Midnight Blue** #191970 [pool] — 5 real palettes, including Fintech Trust and Telehealth put Midnight Blue beside #1dbf91, as the text colour against it. Seen in: Fintech Trust (https://brandsweets.com/palettes/cool#fintech-trust), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Ford (https://brandsweets.com/colors/brands/ford-com), Tide Pool (https://brandsweets.com/palettes/cool#tide-pool). — https://brandsweets.com/colors/midnightblue
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Fresh Juice and Crayon Box put Mustard Yellow beside #1dbf91, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Meadow (https://brandsweets.com/palettes/light#meadow), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #1dbf91 in 6 real palettes, including Khan Academy's brand system and Docker's brand system, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #1dbf91 in 15 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), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com). — https://brandsweets.com/colors/taupe

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

- On white (#ffffff): 2.36:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #148565 (4.59:1); AA: background → #3d3d3d (4.61:1); AAA: text → #0f624a (7.33:1); AAA: background → #1c1c1c (7.23:1)
- On black (#000000): 8.91:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Khan Academy** — primary #14bc94 (Δ 1.129) — https://brandsweets.com/colors/brands/khanacademy-org
- **Khan Academy** — secondary #0cbc94 (Δ 1.165) — 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/1dbf91-a2beb9-d459b7-1f2b2d-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: "#1dbf91" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.