Color
#21785b
#21785brgb(33, 120, 91)hsl(160, 57%, 30%)oklch(0.514 0.094 166.3)Colors that go with #21785b
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 #21785b: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #21785b: 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 #21785b 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 #21785b, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #21785b: 4 real palettes, including Clay & Linen and Riverbed, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #21785b: 8 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #21785b in 4 real palettes, including Mid-Century and Fireside, as the accent.
Midnight Blue #191970
shipped4 real palettes, including Paramount+'s brand system and Tide Pool put Midnight Blue beside #21785b, as the supporting colour.
Real palettes that use #21785b
Tints & shades
Harmonies
Contrast
| #21785b as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.38:1 | pass | pass | fail |
|
Aaon black | 3.9:1 | 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 #21785b as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#21785b 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 #21785b and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/21785b-a2beb8-d459be-1f2c2d-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