Color
#21785f
#21785frgb(33, 120, 95)hsl(163, 57%, 30%)oklch(0.515 0.09 169.5)Colors that go with #21785f
Charcoal, Crimson and Medium Violet Red 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 text near-black for #21785f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #21785f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #21785f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Copper #b87333
shippedCopper is paired with #21785f in 4 real palettes, including Clay & Linen and Riverbed, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #21785f in 8 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Goldenrod #daa520
shippedGoldenrod is paired with #21785f in 4 real palettes, including Mid-Century and Fireside, as the accent — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #21785f in 5 real palettes, including Coinbase's brand system and Xbox's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Sage Green #9caf88
shippedSage Green is paired with #21785f in 8 real palettes, including Riverbed and Forest Floor, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #21785f
Tints & shades
Harmonies
Contrast
| #21785f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.36:1 | pass | pass | fail |
|
Aaon black | 3.92:1 | 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 #21785f as the background.
Brands using this color
Fonts for this mood
#21785f reads as dark, luxury, bold. The font library is tagged with the same vocabulary:
Point 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.
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
›analyze #21785f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/21785f-a2beb9-d459b7-1f2b2d-e9f1eb?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