Color
#217d5d
#217d5drgb(33, 125, 93)hsl(159, 58%, 31%)oklch(0.528 0.099 165.2)Colors that go with #217d5d
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 #217d5d: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #217d5d: 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 #217d5d on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Copper #b87333
shippedDesigners have shipped Copper with #217d5d: 5 real palettes, including Wellness and Riverbed, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #217d5d: 7 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #217d5d in 5 real palettes, including Coinbase's brand system and Xbox's brand system, as the lead colour.
Sage Green #9caf88
shippedDesigners have shipped Sage Green with #217d5d: 7 real palettes, including Riverbed and Forest Floor, as the supporting colour.
Slate Gray #708090
shipped4 real palettes, including Clay & Linen and Mushroom put Slate Gray beside #217d5d, as the supporting colour.
Real palettes that use #217d5d
Tints & shades
Harmonies
Contrast
| #217d5d as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.05:1 | pass | pass | fail |
|
Aaon black | 4.16:1 | 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 #217d5d as the background.
Brands using this color
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 #217d5d and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/217d5d-a2beb8-d459c0-1f2c2d-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