Undergrowth
Open in tool →Fern and lichen with a fungus orange on a fir-black — the forest floor at dusk, as a dark theme.
Color
#81ab5f
#81ab5f
hex
#81ab5frgb
rgb(129, 171, 95)hsl
hsl(93, 31%, 52%)oklch
oklch(0.692 0.114 132.4)Closest name: Arugula (#75ad5b)Relative luminance 0.3462
Colors that go with #81ab5f
Charcoal, Blue and Burlywood 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 #81ab5f: its slight blue cast keeps type crisp beside a warm colour where pure #000 looks heavy.
Blue #0000ff
shipped5 real palettes, including Unity's brand system and Minecraft's brand system put Blue beside #81ab5f, as the supporting colour.
Burlywood #deb887
shippedBurlywood is paired with #81ab5f in 5 real palettes, including Polaroid and Chalkboard, as the accent.
Champagne #f7e7ce
shipped5 real palettes, including Forest Floor and Darkroom put Champagne beside #81ab5f, as that palette's text colour.
Copper #b87333
shippedDesigners have shipped Copper with #81ab5f: 4 real palettes, including Clean Beauty and Riverbed, as the accent.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #81ab5f in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #81ab5f: 4 real palettes, including Spline's brand system and Unity's brand system, as the lead colour.
Orchid #da70d6
complementaryOrchid sits directly opposite #81ab5f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #81ab5f
Tints & shades
Harmonies
Contrast
| #81ab5f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.65:1 | fail | fail | fail | |
Aaon black | 7.92:1 | 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 #81ab5f 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
mcpConnect your agent — build around #81ab5f
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 #81ab5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/81ab5f-abbea2-584edf-202d1f-f0f1e9?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