# #cdcd18

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

## Values

- Hex: `#cdcd18`
- RGB: rgb(205, 205, 24)
- HSL: hsl(60, 79%, 45%)
- OKLCH: oklch(0.822 0.175 109.7)
- Relative luminance: 0.5671
- Nearest named color: Bitter Lemon (#d2db32, Δ 3.666) — https://brandsweets.com/colors/bitter-lemon
- Moods: vivid
- Page: https://brandsweets.com/colors/cdcd18

## Tints & shades

- Tints (toward white): #e4e41b, #e7e736, #eaea4d, #eded64, #f0f07f, #f3f396, #f5f5ad, #f8f8c4, #fbfbdf, #fefef6
- Shades (toward black): #bbbb16, #a9a914, #979712, #848410, #72720d, #5b5b0b, #494909, #373706, #252504, #121202

## Harmonies

- Complementary: #1818cd
- Analogous: #cd7318, #73cd18
- Triadic: #18cdcd, #cd18cd
- Split-complementary: #1873cd, #7318cd
- Tetradic: #18cd73, #1818cd, #cd1873

## Colors that go with #cdcd18

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 #cdcd18: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy. Seen in: Coastal (https://brandsweets.com/palettes/cool#coastal), Disney (https://brandsweets.com/colors/brands/disney-com), Lido (https://brandsweets.com/palettes/vivid#lido), Beach Hut (https://brandsweets.com/palettes/light#beach-hut). — https://brandsweets.com/colors/charcoal
- **Deep Sky Blue** #00bfff [harmony, pool: split] — Deep Sky Blue is a split-complement of #cdcd18: nearly opposite, so it still pops against it, without the vibrating edge of a true complement. Seen in: Salesforce (https://brandsweets.com/colors/brands/salesforce-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Prime Video (https://brandsweets.com/colors/brands/primevideo-com), Mistral AI (https://brandsweets.com/colors/brands/mistral-ai). — https://brandsweets.com/colors/deepskyblue
- **Lilac** #c8a2c8 [harmony, pool: complementary] — Lilac sits directly opposite #cdcd18 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight. Seen in: Phantom: The money app that'll take you placesLogo PhantomLogo PhantomLogo Phantom (https://brandsweets.com/colors/brands/phantom-com), Midnight Luxe (https://brandsweets.com/palettes/luxury#midnight-luxe). — https://brandsweets.com/colors/lilac
- **Cornflower Blue** #6495ed [pool] — Designers have shipped Cornflower Blue with #cdcd18: 5 real palettes, including Ahrefs's brand system and NBA's brand system, as the accent. Seen in: Ahrefs (https://brandsweets.com/colors/brands/ahrefs-com), NBA (https://brandsweets.com/colors/brands/nba-com), Blueprint (https://brandsweets.com/palettes/technical#blueprint), Mastodon hosted on mastodon.social (https://brandsweets.com/colors/brands/mastodon-social). — https://brandsweets.com/colors/cornflowerblue
- **Crimson** #dc143c [pool] — Crimson is paired with #cdcd18 in 7 real palettes, including Tabloid and Lay's's brand system, as the lead colour. Seen in: Tabloid (https://brandsweets.com/palettes/editorial#tabloid), Lay's (https://brandsweets.com/colors/brands/lays-com), Diner (https://brandsweets.com/palettes/vivid#diner), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/crimson
- **Denim** #1560bd [pool] — Designers have shipped Denim with #cdcd18: 9 real palettes, including Wikipedia's brand system and Walmart's brand system, as the supporting colour. Seen in: Wikipedia (https://brandsweets.com/colors/brands/wikipedia-org), Walmart (https://brandsweets.com/colors/brands/walmart-com), Warner Bros. (https://brandsweets.com/colors/brands/warnerbros-com), McDonald's (https://brandsweets.com/colors/brands/mcdonalds-com). — https://brandsweets.com/colors/denim
- **Dodger Blue** #1e90ff [pool] — Designers have shipped Dodger Blue with #cdcd18: 5 real palettes, including Google's brand system and Miro's brand system, as the lead colour. Seen in: Google (https://brandsweets.com/colors/brands/google-com), Miro (https://brandsweets.com/colors/brands/miro-com), Star Wars (https://brandsweets.com/colors/brands/starwars-com), Heatwave (https://brandsweets.com/palettes/warm#heatwave). — https://brandsweets.com/colors/dodgerblue
- **Midnight Blue** #191970 [pool] — 4 real palettes, including Southwest Airlines's brand system and FIFA's brand system put Midnight Blue beside #cdcd18, as the supporting colour. Seen in: Southwest Airlines (https://brandsweets.com/colors/brands/southwest-com), FIFA (https://brandsweets.com/colors/brands/fifa-com), Open House (https://brandsweets.com/palettes/clean#open-house), American Eagle (https://brandsweets.com/colors/brands/ae-com). — https://brandsweets.com/colors/midnightblue

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

- On white (#ffffff): 1.7:1 — AA fail, AA-large fail, AAA fail. Fix: AA: text → #77770e (4.74:1); AA: background → #525252 (4.59:1); AAA: text → #5b5b0b (7.13:1); AAA: background → #363636 (7.1:1)
- On black (#000000): 12.34:1 — 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/cdcd18-bbbea2-4e94df-272d1f-f1ede9?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: "#cdcd18" })`), `check_contrast` (with fixes), `generate_palette` (explore around locks), `suggest_palette` (mood/industry → curated-first), `list_palettes`.