# #45b56e

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

## Values

- Hex: `#45b56e`
- RGB: rgb(69, 181, 110)
- HSL: hsl(142, 45%, 49%)
- OKLCH: oklch(0.691 0.146 152.5)
- Relative luminance: 0.3544
- Nearest named color: mediumseagreen (#3cb371, Δ 0.972) — https://brandsweets.com/colors/mediumseagreen
- Moods: neutral
- Page: https://brandsweets.com/colors/45b56e

## Tints & shades

- Tints (toward white): #55be7c, #67c58a, #7acd98, #8cd4a6, #9fdbb5, #aee0c0, #c0e7ce, #d3eedd, #e5f5eb, #f8fcf9
- Shades (toward black): #3fa665, #38945a, #328551, #2b7346, #26643d, #1f5131, #194328, #12301d, #0d2114, #060f09

## Harmonies

- Complementary: #b5458c
- Analogous: #54b545, #45b5a6
- Triadic: #6e45b5, #b56e45
- Split-complementary: #a645b5, #b54554
- Tetradic: #4554b5, #b5458c, #b5a645

## Colors that go with #45b56e

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 #45b56e: 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), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), N26 (https://brandsweets.com/colors/brands/n26-com), Lagoon (https://brandsweets.com/palettes/vivid#lagoon). — https://brandsweets.com/colors/charcoal
- **Mustard Yellow** #ffdb58 [pool] — 4 real palettes, including Meadow and Citrus Grove put Mustard Yellow beside #45b56e, as the supporting colour. Seen in: Meadow (https://brandsweets.com/palettes/light#meadow), Citrus Grove (https://brandsweets.com/palettes/warm#citrus-grove), Fresh Juice (https://brandsweets.com/palettes/playful#fresh-juice), Diner (https://brandsweets.com/palettes/vivid#diner). — https://brandsweets.com/colors/mustard
- **Royal Blue** #4169e1 [pool] — Royal Blue is paired with #45b56e in 5 real palettes, including Khan Academy's brand system and Console Light, as the accent. Seen in: Khan Academy (https://brandsweets.com/colors/brands/khanacademy-org), Console Light (https://brandsweets.com/palettes/technical#console-light), Telehealth (https://brandsweets.com/palettes/modern#telehealth), Brilliant (https://brandsweets.com/colors/brands/brilliant-org). — https://brandsweets.com/colors/royalblue
- **Taupe** #483c32 [pool] — Taupe is paired with #45b56e in 14 real palettes, including Chime's brand system and Undergrowth, as the lead colour. Seen in: Chime (https://brandsweets.com/colors/brands/chime-com), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Meadow (https://brandsweets.com/palettes/light#meadow). — https://brandsweets.com/colors/taupe
- **Orchid** #da70d6 [harmony: complementary] — Orchid sits directly opposite #45b56e 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
- **Medium Purple** #9370db [harmony, pool: split] — Medium Purple is a split-complement of #45b56e: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Obsidian (https://brandsweets.com/colors/brands/obsidian-md), Next.js (https://brandsweets.com/colors/brands/nextjs-org). — https://brandsweets.com/colors/mediumpurple
- **Blue** #0000ff [pool] — 3 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #45b56e, 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). — https://brandsweets.com/colors/blue
- **Cornflower Blue** #6495ed [harmony, pool: triadic] — Cornflower Blue completes a triad with #45b56e — 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). — https://brandsweets.com/colors/cornflowerblue

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

- On white (#ffffff): 2.6:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #328551 (4.56:1); AA: background → #383838 (4.52:1); AAA: text → #26643d (7.06:1); AAA: background → #141414 (7.1:1)
- On black (#000000): 8.09:1 — AA pass, AA-large pass, AAA pass

## Brands using this color

- **DuckDuckGo** — accent #38b26a (Δ 1.336) — https://brandsweets.com/colors/brands/duckduckgo-com

## Palette tool

Open this color locked as the lead with four explored companions: https://brandsweets.com/palettes/new/45b56e-a2beaf-c659d4-1f2d2a-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: "#45b56e" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.