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
#6fb370
#6fb370
hex
#6fb370rgb
rgb(111, 179, 112)hsl
hsl(121, 31%, 57%)oklch
oklch(0.704 0.118 144.5)Closest name: Bud Green (#79b465)Relative luminance 0.3679
Colors that go with #6fb370
Charcoal, Blue and Dark Olive Green 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 #6fb370: 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 #6fb370, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #6fb370 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Meadow and Citrus Grove put Mustard Yellow beside #6fb370, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #6fb370 in 6 real palettes, including Brilliant's brand system and Khan Academy's brand system, as the accent.
Slate Gray #708090
shipped5 real palettes, including Indigo SaaS and Ledger Dark put Slate Gray beside #6fb370, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #6fb370 in 22 real palettes, including Undergrowth and Meadow, as the surface under it.
Orchid #da70d6
complementaryOrchid sits directly opposite #6fb370 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 #6fb370
Tints & shades
Harmonies
Contrast
| #6fb370 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.51:1 | fail | fail | fail | |
Aaon black | 8.36:1 | 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 #6fb370 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 #6fb370
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 #6fb370 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/6fb370-a2bea6-9b4edf-1f2d26-edf1e9?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