Color
#42aea3
#42aea3rgb(66, 174, 163)hsl(174, 45%, 47%)oklch(0.686 0.099 185.8)Colors that go with #42aea3
Charcoal, Dark Olive Green and Denim 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 #42aea3: softer than #000 and cool enough to feel like part of the same palette.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #42aea3 in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #42aea3: 5 real palettes, including Peacock and Open House, as the supporting colour.
Midnight Blue #191970
shipped7 real palettes, including Ford's brand system and Confluent's brand system put Midnight Blue beside #42aea3, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Diner and Lido put Mustard Yellow beside #42aea3, as the accent.
Orange #ffa500
shipped4 real palettes, including Mint Modern and Graphite put Orange beside #42aea3, as the accent.
Powder Blue #b0e0e6
shippedDesigners have shipped Powder Blue with #42aea3: 4 real palettes, including First Snow and Ink Wash, as the accent.
Pale Violet Red #db7093
complementaryPale Violet Red sits directly opposite #42aea3 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #42aea3
Tints & shades
Harmonies
Contrast
| #42aea3 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.69:1 | fail | fail | fail | |
Aaon black | 7.81:1 | 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 #42aea3 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 #42aea3 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/42aea3-a2bebe-d459a1-1f292d-e9f1ed?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