Pine & Birch
Open in tool →One deep pine on birch-white with sage and bark greys — Scandinavian forest: mostly light, one committed green.
Color
#255b40
#255b40
hex
#255b40rgb
rgb(37, 91, 64)hsl
hsl(150, 42%, 25%)oklch
oklch(0.426 0.074 159.1)Closest name: Evergreen (#125b49)Relative luminance 0.0825
Colors that go with #255b40
Blue, Crimson and Denim 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.
Blue #0000ff
shipped4 real palettes, including Rolex's brand system and Warp's brand system put Blue beside #255b40, as the accent.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #255b40: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Denim #1560bd
shippedDesigners have shipped Denim with #255b40: 4 real palettes, including Hinge's brand system and Jack Daniel's's brand system, as the accent.
Emerald Green #50c878
shippedEmerald Green is paired with #255b40 in 4 real palettes, including Neon's brand system and CircleCI's brand system, as the lead colour.
Orange Red #ff4500
shippedOrange Red is paired with #255b40 in 4 real palettes, including Neon's brand system and Clerk's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #255b40 in 6 real palettes, including Console Light and Disney's brand system, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #255b40: 6 real palettes, including Pine & Birch and Darkroom, as the supporting colour.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #255b40: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Real palettes that use #255b40
Tints & shades
Harmonies
Contrast
| #255b40 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.93:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.65:1 | 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 #255b40 as the background.
Brands using this color
Palettes built around it
Fonts for this mood
#255b40 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #255b40
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 #255b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/255b40-a2beb3-d459d2-1f2d2c-e9f1ea?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