Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#efc571
#efc571
hex
#efc571rgb
rgb(239, 197, 113)hsl
hsl(40, 80%, 69%)oklch
oklch(0.843 0.113 83.4)Closest name: Ancient Treasure (#e7d082)Relative luminance 0.5948
Colors that go with #efc571
Charcoal, Deep Sky Blue and Light Sky 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.
Deep Sky Blue #00bfff
split-complementshippedDeep Sky Blue is a split-complement of #efc571: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Light Sky Blue #87cefa
complementaryshippedLight Sky Blue sits directly opposite #efc571 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #efc571: 5 real palettes, including Coastal and Diner, as the lead colour.
Champagne #f7e7ce
shipped4 real palettes, including Coffee Bar and Midnight Luxe put Champagne beside #efc571, as that palette's text colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #efc571: 6 real palettes, including NBA's brand system and Blueprint, as the accent.
Crimson #dc143c
shippedCrimson is paired with #efc571 in 7 real palettes, including Diner and Tabloid, as the lead colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #efc571 in 5 real palettes, including Farmers Market and Undergrowth, as the supporting colour.
Real palettes that use #efc571
Tints & shades
Harmonies
Contrast
| #efc571 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.63:1 | fail | fail | fail | |
Aaon black | 12.9:1 | pass | pass | pass | Passes AAA — no fix needed. |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #efc571 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
Coastal
Open in tool →Sea-teal, sky and sand — bright without shouting; works for travel, wellness, and anything near water.
Polaroid
Open in tool →Washed coral, faded aqua and a mustard — the 1970s film look, desaturated so it feels found rather than designed.
Fonts for this mood
#efc571 reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #efc571
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 #efc571 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/efc571-c4bb9c-62b8cb-2c2d1f-f1ebe9?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