Color
#40ddb1
#40ddb1rgb(64, 221, 177)hsl(163, 70%, 56%)oklch(0.806 0.144 169.7)Colors that go with #40ddb1
Charcoal, Blue and Crimson 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 #40ddb1: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped5 real palettes, including Canva's brand system and Unity's brand system put Blue beside #40ddb1, as the accent.
Crimson #dc143c
shippedCrimson is paired with #40ddb1 in 5 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #40ddb1 in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #40ddb1 in 12 real palettes, including Astro's brand system and Crayon Box, as the text colour against it.
Hot Pink #ff69b4
complementaryHot Pink sits directly opposite #40ddb1 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #40ddb1: 3 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #40ddb1: 3 real palettes, including Unity's brand system and Playground, as the lead colour.
Real palettes that use #40ddb1
Tints & shades
Harmonies
Contrast
| #40ddb1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.72:1 | fail | fail | fail | |
Aaon black | 12.2:1 | 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 #40ddb1 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
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 #40ddb1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/40ddb1-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