Chalkboard
Open in tool →Slate green with chalk cream and a coral — nostalgic without being twee.
Color
#efbc5d
#efbc5d
hex
#efbc5drgb
rgb(239, 188, 93)hsl
hsl(39, 82%, 65%)oklch
oklch(0.823 0.127 81)Closest name: Baklava (#efb435)Relative luminance 0.5511
Colors that go with #efbc5d
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.
Charcoal #36454f
neutralshippedCharcoal is the body-text near-black for #efbc5d: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Deep Sky Blue #00bfff
split-complementshippedDeep Sky Blue is a split-complement of #efbc5d: 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 #efbc5d 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 #efbc5d: 4 real palettes, including Coastal and Diner, as the lead colour.
Champagne #f7e7ce
shipped4 real palettes, including Coffee Bar and Midnight Luxe put Champagne beside #efbc5d, as that palette's text colour.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #efbc5d: 6 real palettes, including Blueprint and Mastodon hosted on mastodon.social's brand system, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #efbc5d in 10 real palettes, including McDonald's's brand system and Wells Fargo's brand system, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #efbc5d in 5 real palettes, including Farmers Market and Undergrowth, as the supporting colour.
Real palettes that use #efbc5d
Tints & shades
Harmonies
Contrast
| #efbc5d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.75:1 | fail | fail | fail | |
Aaon black | 12.02:1 | 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 #efbc5d 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
#efbc5d reads as warm, vivid, playful. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #efbc5d
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 #efbc5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/efbc5d-c4ba9c-62b9cb-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