# #40e78e

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

## Values

- Hex: `#40e78e`
- RGB: rgb(64, 231, 142)
- HSL: hsl(148, 78%, 58%)
- OKLCH: oklch(0.823 0.184 154.8)
- Relative luminance: 0.6019
- Nearest named color: Grotesque Green (#64e986, Δ 2.225) — https://brandsweets.com/colors/grotesque-green
- Moods: vivid
- Page: https://brandsweets.com/colors/40e78e

## Tints & shades

- Tints (toward white): #53ea99, #65eca4, #77eeaf, #89f0b9, #9bf3c4, #adf5cf, #bff7d9, #d2f9e4, #e4fcef, #f6fefa
- Shades (toward black): #2ae581, #1ad572, #18bf66, #14a357, #118d4b, #0f763f, #0b5b30, #084424, #052916, #02120a

## Harmonies

- Complementary: #e74099
- Analogous: #46e740, #40e7e2
- Triadic: #8e40e7, #e78e40
- Split-complementary: #e240e7, #e74046
- Tetradic: #4046e7, #e74099, #e7e240

## Colors that go with #40e78e

Named partners (harmony on the OKLCH wheel, co-occurrence in curated palettes and brand systems, and the neutrals that carry it), best first:

- **Deep Sky Blue** #00bfff [pool] — Designers have shipped Deep Sky Blue with #40e78e: 4 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour. Seen in: Remix (https://brandsweets.com/colors/brands/remix-run), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Astro (https://brandsweets.com/colors/brands/astro-build), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/deepskyblue
- **Taupe** #483c32 [pool] — Taupe is paired with #40e78e in 9 real palettes, including 7-Eleven's brand system and Astro's brand system, as the lead colour. Seen in: 7-Eleven (https://brandsweets.com/colors/brands/7-eleven-com), Astro (https://brandsweets.com/colors/brands/astro-build), WhatsApp (https://brandsweets.com/colors/brands/whatsapp-com), Chime (https://brandsweets.com/colors/brands/chime-com). — https://brandsweets.com/colors/taupe
- **Violet** #ee82ee [harmony: complementary] — Violet sits directly opposite #40e78e 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/violet
- **Light Coral** #f08080 [harmony, pool: split] — Light Coral is a split-complement of #40e78e: 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
- **Charcoal** #36454f [role, pool] — Charcoal is the text near-black for #40e78e: softer than #000 and cool enough to feel like part of the same palette. Seen in: Docker (https://brandsweets.com/colors/brands/docker-com), Canopy (https://brandsweets.com/palettes/cool#canopy). — https://brandsweets.com/colors/charcoal
- **Dark Orange** #ff8c00 [pool] — Dark Orange shows up next to #40e78e in 3 real palettes, including Playground and Citrus Grove, as the lead colour. Seen in: Playground (https://brandsweets.com/palettes/bold#playground), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Learning App (https://brandsweets.com/palettes/playful#learning-app). — https://brandsweets.com/colors/darkorange
- **Mustard Yellow** #ffdb58 [pool] — 3 real palettes, including Fresh Juice and Citrus Grove put Mustard Yellow beside #40e78e, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #40e78e in 3 real palettes, including MongoDB's brand system and Docker's brand system, as the supporting colour. Seen in: MongoDB (https://brandsweets.com/colors/brands/mongodb-com), Docker (https://brandsweets.com/colors/brands/docker-com), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue

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

- On white (#ffffff): 1.61:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #118849 (4.52:1); AA: background → #545454 (4.7:1); AAA: text → #0c6435 (7.27:1); AAA: background → #383838 (7.28:1)
- On black (#000000): 13.04:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **Remix** — accent #06ea8a (Δ 1.702) — https://brandsweets.com/colors/brands/remix-run

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/40e78e-a2beb2-d259d4-1f2d2c-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: "#40e78e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.