# #b1b540

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

## Values

- Hex: `#b1b540`
- RGB: rgb(177, 181, 64)
- HSL: hsl(62, 48%, 48%)
- OKLCH: oklch(0.748 0.138 111.2)
- Relative luminance: 0.4277
- Nearest named color: Celery (#b4c04c, Δ 2.929) — https://brandsweets.com/colors/celery
- Moods: neutral
- Page: https://brandsweets.com/colors/b1b540

## Tints & shades

- Tints (toward white): #bdc14e, #c4c760, #cbce73, #d2d586, #d9db99, #e0e2ac, #e7e8bf, #eeefd2, #f5f6e5, #fcfcf7
- Shades (toward black): #a2a63a, #909334, #81842e, #6f7128, #606222, #51531d, #3f4017, #303111, #1e1e0b, #0f0f05

## Harmonies

- Complementary: #4440b5
- Analogous: #b57e40, #76b540
- Triadic: #40b1b5, #b540b1
- Split-complementary: #4076b5, #7e40b5
- Tetradic: #40b57e, #4440b5, #b54076

## Colors that go with #b1b540

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 body-text near-black for #b1b540: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Disney (https://brandsweets.com/colors/brands/disney-com), Coastal (https://brandsweets.com/palettes/cool#coastal), Zendesk (https://brandsweets.com/colors/brands/zendesk-com), Campus (https://brandsweets.com/palettes/friendly#campus). — https://brandsweets.com/colors/charcoal
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #b1b540 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Blue** #0000ff [pool] — 5 real palettes, including League of Legends's brand system and Minecraft's brand system put Blue beside #b1b540, as the supporting colour. Seen in: League of Legends (https://brandsweets.com/colors/brands/leagueoflegends-com), Minecraft (https://brandsweets.com/colors/brands/minecraft-net), Lexus (https://brandsweets.com/colors/brands/lexus-com), Binance (https://brandsweets.com/colors/brands/binance-com). — https://brandsweets.com/colors/blue
- **Cadet Blue** #5f9ea0 [pool] — Designers have shipped Cadet Blue with #b1b540: 4 real palettes, including Open House and Coastal, as the supporting colour. Seen in: Open House (https://brandsweets.com/palettes/clean#open-house), Coastal (https://brandsweets.com/palettes/cool#coastal), Estate (https://brandsweets.com/palettes/luxury#estate), Paper & Pine (https://brandsweets.com/palettes/minimal#paper-and-pine). — https://brandsweets.com/colors/cadetblue
- **Champagne** #f7e7ce [pool] — 5 real palettes, including Midnight Luxe and Forest Floor put Champagne beside #b1b540, as that palette's text colour. Seen in: Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe), Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Bramble (https://brandsweets.com/palettes/muted#bramble), Darkroom (https://brandsweets.com/palettes/muted#darkroom). — https://brandsweets.com/colors/champagne
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #b1b540: 5 real palettes, including Gopro's brand system and Terminal, as the supporting colour. Seen in: Gopro (https://brandsweets.com/colors/brands/gopro-com), Terminal (https://brandsweets.com/palettes/technical#terminal), Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint). — https://brandsweets.com/colors/cornflowerblue
- **Dark Olive Green** #556b2f [pool] — Dark Olive Green shows up next to #b1b540 in 4 real palettes, including Forest Floor and Olive Grove, as the supporting colour. Seen in: Forest Floor (https://brandsweets.com/palettes/dark#forest-floor), Olive Grove (https://brandsweets.com/palettes/muted#olive-grove), Undergrowth (https://brandsweets.com/palettes/dark#undergrowth), Farmers Market (https://brandsweets.com/palettes/warm#farmers-market). — https://brandsweets.com/colors/darkolivegreen
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #b1b540: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai), Salesforce (https://brandsweets.com/colors/brands/salesforce-com). — https://brandsweets.com/colors/deepskyblue

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

- On white (#ffffff): 2.2:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #76792a (4.63:1); AA: background → #424242 (4.57:1); AAA: text → #595b20 (7.14:1); AAA: background → #242424 (7.06:1)
- On black (#000000): 9.55:1 — 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/b1b540-babea2-4e8fdf-272d1f-f1eee9?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: "#b1b540" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.