Color
#237b40
#237b40rgb(35, 123, 64)hsl(140, 56%, 31%)oklch(0.517 0.123 150.3)Colors that go with #237b40
Charcoal, Royal Blue 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 #237b40: softer than #000 and cool enough to feel like part of the same palette.
Royal Blue #4169e1
triadicshippedRoyal Blue completes a triad with #237b40 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #237b40 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 #237b40 in 4 real palettes, including Clay & Linen and Wellness, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Crimson #dc143c
shippedCrimson is paired with #237b40 in 5 real palettes, including Coinbase's brand system and Five Guys's brand system — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #237b40 in 6 real palettes, including Xbox's brand system and Intel's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Sage Green #9caf88
shippedSage Green is paired with #237b40 in 4 real palettes, including Olive Grove and Forest Floor, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #237b40 in 13 real palettes, including 7-Eleven's brand system and Instacart's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #237b40
Tints & shades
Harmonies
Contrast
| #237b40 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.28:1 | pass | pass | fail |
|
Aaon black | 3.98:1 | 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 #237b40 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 #237b40 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/237b40-a2beaf-c259d4-1f2d2a-ebf1e9?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