Bookshop
Open in tool →Chestnut and forest on cream read like a cloth-bound spine; the palette recedes so covers and type do the talking.
Color
#255b56
#255b56
hex
#255b56rgb
rgb(37, 91, 86)hsl
hsl(174, 42%, 25%)oklch
oklch(0.433 0.058 187.1)Closest name: Enchanting Ivy (#315955)Relative luminance 0.0855
Colors that go with #255b56
Crimson, Blue and Cadet Blue lead the list. Each partner is a real named colour with the reason it works — a wheel relationship, a neutral that carries it, or a pairing lifted from a palette or brand system that actually shipped — and every pair opens in the palette tool.
Crimson #dc143c
complementaryshippedCrimson sits directly opposite #255b56 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped4 real palettes, including Rolex's brand system and Jeep's brand system put Blue beside #255b56, as the accent.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #255b56: 4 real palettes, including Paper & Pine and Alpine, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #255b56: 7 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #255b56 in 5 real palettes, including Fireside and Mid-Century, as the accent.
Midnight Blue #191970
shipped6 real palettes, including Lufthansa's brand system and First Snow put Midnight Blue beside #255b56, as the lead colour.
Orange Red #ff4500
shippedOrange Red is paired with #255b56 in 4 real palettes, including Neon's brand system and Tumblr's brand system, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #255b56: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #255b56
Tints & shades
Harmonies
Contrast
| #255b56 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.75:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.71:1 | 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 #255b56 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
Fonts for this mood
#255b56 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #255b56
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — direct_palette, edit_direction, check_palette, check_contrast — read-only, no key. Every direction it proposes comes with a /colors/d/… link: open it, lock what you like, paste the link back, and the agent edits rather than re-rolls.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #255b56 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/255b56-a2bebe-d459a1-1f292d-e9f1ed?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