Tabloid
Open in tool →Red, black and yellow on white is the loudest three-color system in print — use it when headlines are the product.
Color
#151217
#151217
hex
#151217rgb
rgb(21, 18, 23)hsl
hsl(276, 12%, 8%)oklch
oklch(0.188 0.011 311.9)Closest name: Cursed Black (#131313)Relative luminance 0.0065
Tints & shades
Harmonies
Contrast
| #151217 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 18.57:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 1.13:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #151217 as the background.
Brands using this color
- Lemon Squeezytext · #121217 · Δ0.608
- Runwayprimary · #141414 · Δ1.147
- Railwaytext · #13111c · Δ1.274
- Anthropictext · #141413 · Δ1.313
- Retooltext · #151515 · Δ1.341
- American Expresstext · #111111 · Δ1.518
- Behancetext · #111111 · Δ1.518
- Calmtext · #111111 · Δ1.518
- Intercomtext · #111111 · Δ1.518
- Klarna UStext · #111111 · Δ1.518
- Mirotext · #111111 · Δ1.518
- Paddletext · #111111 · Δ1.518
- PayPaltext · #111111 · Δ1.518
- Plaidtext · #111111 · Δ1.518
- PostHogtext · #111111 · Δ1.518
- Reddittext · #111111 · Δ1.518
- Remixtext · #111111 · Δ1.518
- Replittext · #111111 · Δ1.518
- Verceltext · #111111 · Δ1.518
- Airtabletext · #161616 · Δ1.637
- CircleCItext · #161616 · Δ1.637
- Next.jstext · #171717 · Δ1.988
Palettes built around it
Gallery
Open in tool →Near-monochrome with one burnt-orange highlight — an art director's default because it never competes with the work.
Atelier
Open in tool →Black on bone with a whisper of gold: the runway default that lets garments carry the color.
Estate
Open in tool →Bronze on charcoal signals premium listings; the silver accent handles secondary detail without adding color.
Ember
Open in tool →Flame orange on charcoal — the sports and energy palette; one accent yellow for stats and highlights.
Fonts for this mood
#151217 reads as cool, muted, dark. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #151217
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #151217 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/151217-b99cc4-bfcb62-2d1f2d-eae9f1?lock=0&style=vibrantWant the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.
Machine-readable: color.md