# #63bf87

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

## Values

- Hex: `#63bf87`
- RGB: rgb(99, 191, 135)
- HSL: hsl(143, 42%, 57%)
- OKLCH: oklch(0.733 0.121 155.2)
- Relative luminance: 0.4166
- Nearest named color: Bleached Olive (#55bb88, Δ 1.754) — https://brandsweets.com/colors/bleached-olive
- Moods: neutral
- Page: https://brandsweets.com/colors/63bf87

## Tints & shades

- Tints (toward white): #72c592, #80cb9d, #8fd1a8, #9dd7b3, #afdec1, #bee4cd, #ccead8, #dbf0e3, #e9f6ee, #f8fcf9
- Shades (toward black): #51b879, #44a76a, #3d945e, #358253, #2e7047, #255b3a, #1e482e, #163623, #0d2115, #060e09

## Harmonies

- Complementary: #bf639c
- Analogous: #6ebf63, #63bfb5
- Triadic: #8763bf, #bf8763
- Split-complementary: #b563bf, #bf636e
- Tetradic: #636ebf, #bf639c, #bfb563

## Colors that go with #63bf87

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 #63bf87: 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), Docker (https://brandsweets.com/colors/brands/docker-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon), N26 (https://brandsweets.com/colors/brands/n26-com). — https://brandsweets.com/colors/charcoal
- **Blue** #0000ff [pool] — 5 real palettes, including Unity's brand system and Minecraft's brand system put Blue beside #63bf87, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #63bf87 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com). — https://brandsweets.com/colors/darkolivegreen
- **Dark Salmon** #e9967a [harmony, pool: triadic] — Dark Salmon completes a triad with #63bf87 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Polaroid (https://brandsweets.com/palettes/light#polaroid), Chalkboard (https://brandsweets.com/palettes/dark#chalkboard), Spline (https://brandsweets.com/colors/brands/spline-design). — https://brandsweets.com/colors/darksalmon
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Fresh Juice and Meadow put Mustard Yellow beside #63bf87, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #63bf87 in 5 real palettes, including Brilliant's brand system and Khan Academy's brand system, as the accent. Seen in: Brilliant (https://brandsweets.com/colors/brands/brilliant-org), Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Docker (https://brandsweets.com/colors/brands/docker-com), Console Light (https://brandsweets.com/palettes/technical#console-light). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #63bf87 in 19 real palettes, including Undergrowth and Chime's brand system, as the surface under it. Seen in: Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Chime (https://brandsweets.com/colors/brands/chime-com), Resort (https://brandsweets.com/palettes/light#resort), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #63bf87 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/orchid

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

- On white (#ffffff): 2.25:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #358253 (4.7:1); AA: background → #404040 (4.61:1); AAA: text → #28623e (7.22:1); AAA: background → #212121 (7.16:1)
- On black (#000000): 9.33:1 — 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/63bf87-a2beb0-c859d4-1f2d2b-eaf1e9?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: "#63bf87" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.