Olive Grove
Open in tool →Olive and straw with a rust accent — Mediterranean and unhurried; good for food, wine and hospitality.
Color
#666c28
#666c28
hex
#666c28rgb
rgb(102, 108, 40)hsl
hsl(65, 46%, 29%)oklch
oklch(0.511 0.091 113.9)Closest name: darkolivegreen (#556b2f)Relative luminance 0.137
Colors that go with #666c28
Charcoal, Royal Blue and Blue Violet 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 #666c28: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Royal Blue #4169e1
split-complementshippedRoyal Blue is a split-complement of #666c28: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue Violet #8a2be2
complementaryshippedBlue Violet sits directly opposite #666c28 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 Warp's brand system and Kia's brand system put Blue beside #666c28, as the supporting colour.
Champagne #f7e7ce
shipped6 real palettes, including Forest Floor and BrandSweets's brand system put Champagne beside #666c28, as that palette's text colour.
Copper #b87333
shippedDesigners have shipped Copper with #666c28: 5 real palettes, including Clay & Linen and Wellness, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #666c28 in 4 real palettes, including Five Guys's brand system and Netflix's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #666c28: 5 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Real palettes that use #666c28
Tints & shades
Harmonies
Contrast
| #666c28 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.61:1 | pass | pass | fail |
|
Aaon black | 3.74:1 | fail | pass | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #666c28 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
#666c28 reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #666c28
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 #666c28 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/666c28-b8bea2-4e88df-262d1f-f1eee9?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