Color
#3fe4b2
#3fe4b2rgb(63, 228, 178)hsl(162, 75%, 57%)oklch(0.823 0.151 167.8)Colors that go with #3fe4b2
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 #3fe4b2: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including MongoDB's brand system and Canva's brand system put Blue beside #3fe4b2, as the accent.
Crimson #dc143c
shippedCrimson is paired with #3fe4b2 in 4 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 #3fe4b2 in 4 real palettes, including Docker's brand system and MongoDB's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #3fe4b2 in 9 real palettes, including Astro's brand system and 7-Eleven's brand system, as the text colour against it.
Hot Pink #ff69b4
complementaryHot Pink sits directly opposite #3fe4b2 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 #3fe4b2: 3 real palettes, including Astro's brand system and Prime Video's brand system, as the supporting colour.
Red #ff0000
shippedRed is paired with #3fe4b2 in 3 real palettes, including Gatorade's brand system and Wise's brand system, as the supporting colour.
Real palettes that use #3fe4b2
Tints & shades
Harmonies
Contrast
| #3fe4b2 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.62:1 | fail | fail | fail | |
Aaon black | 12.95:1 | 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 #3fe4b2 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 #3fe4b2 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3fe4b2-a2beb9-d459b9-1f2b2d-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