Color
#42c2af
#42c2afrgb(66, 194, 175)hsl(171, 51%, 51%)oklch(0.74 0.114 181.2)Colors that go with #42c2af
Charcoal, Light Coral and Blue 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 #42c2af: softer than #000 and cool enough to feel like part of the same palette.
Light Coral #f08080
complementaryshippedLight Coral sits directly opposite #42c2af 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 Canva's brand system and Unity's brand system put Blue beside #42c2af, as the accent.
Crimson #dc143c
shippedCrimson is paired with #42c2af in 4 real palettes, including Riot Games's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Midnight Blue #191970
shipped6 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #42c2af, as the lead colour.
Mustard Yellow #ffdb58
shipped5 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #42c2af, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #42c2af in 4 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent.
Taupe #483c32
shippedTaupe is paired with #42c2af in 17 real palettes, including Crayon Box and Resort, as the text colour against it.
Real palettes that use #42c2af
Tints & shades
Harmonies
Contrast
| #42c2af as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.19:1 | fail | fail | fail | |
Aaon black | 9.57:1 | 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 #42c2af 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 #42c2af and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/42c2af-a2bebd-d459a7-1f292d-e9f1ec?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