# #4ec18f

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

## Values

- Hex: `#4ec18f`
- RGB: rgb(78, 193, 143)
- HSL: hsl(154, 48%, 53%)
- OKLCH: oklch(0.732 0.128 161.8)
- Relative luminance: 0.4174
- Nearest named color: Bleached Olive (#55bb88, Δ 1.646) — https://brandsweets.com/colors/bleached-olive
- Moods: neutral
- Page: https://brandsweets.com/colors/4ec18f

## Tints & shades

- Tints (toward white): #60c79b, #70cda4, #82d3b0, #92d9ba, #a4dfc6, #b4e4cf, #c6ebdb, #d5f0e5, #e8f7f1, #f7fcfa
- Shades (toward black): #40b582, #39a275, #328f67, #2c7d5a, #266d4f, #205b41, #194834, #133526, #0c2218, #050f0b

## Harmonies

- Complementary: #c14e7f
- Analogous: #4ec155, #4eb9c1
- Triadic: #8f4ec1, #c18f4e
- Split-complementary: #c14eb9, #c1554e
- Tetradic: #554ec1, #c14e7f, #b9c14e

## Colors that go with #4ec18f

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 #4ec18f: 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
- **Hot Pink** #ff69b4 [harmony, pool: complementary] — Hot Pink sits directly opposite #4ec18f 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 #4ec18f, as the supporting colour. Seen in: Unity (https://brandsweets.com/colors/brands/unity-com), Spotify (https://brandsweets.com/colors/brands/spotify), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #4ec18f — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash. Seen in: Terminal (https://brandsweets.com/palettes/technical#terminal), Spotify (https://brandsweets.com/colors/brands/spotify), Canva (https://brandsweets.com/colors/brands/canva-com). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #4ec18f in 4 real palettes, including DuckDuckGo's brand system and Diner, as the supporting colour. Seen in: DuckDuckGo (https://brandsweets.com/colors/brands/duckduckgo-com), Diner (https://brandsweets.com/palettes/vivid#diner), Tiffany & Co. (https://brandsweets.com/colors/brands/tiffany-com), Riot Games (https://brandsweets.com/colors/brands/riotgames-com). — https://brandsweets.com/colors/crimson
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #4ec18f 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
- **Mustard Yellow** #ffdb58 [pool] — 5 real palettes, including Fresh Juice and Meadow put Mustard Yellow beside #4ec18f, as the supporting colour. Seen in: Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Meadow (https://brandsweets.com/palettes/light#meadow), Crayon Box (https://brandsweets.com/palettes/playful#crayon-box), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #4ec18f in 5 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

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

- On white (#ffffff): 2.25:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #2e845f (4.58:1); AA: background → #404040 (4.62:1); AAA: text → #226247 (7.23:1); AAA: background → #212121 (7.17:1)
- On black (#000000): 9.35:1 — 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/4ec18f-a2beb5-d459ca-1f2d2d-e9f1ea?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: "#4ec18f" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.