Color
#3f6e4e
#3f6e4ergb(63, 110, 78)hsl(139, 27%, 34%)oklch(0.495 0.073 153.2)Colors that go with #3f6e4e
Charcoal, Medium Violet Red and Champagne 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 #3f6e4e: softer than #000 and cool enough to feel like part of the same palette.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #3f6e4e on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Champagne #f7e7ce
shipped5 real palettes, including Forest Floor and Darkroom put Champagne beside #3f6e4e, as that palette's text colour.
Copper #b87333
shippedDesigners have shipped Copper with #3f6e4e: 4 real palettes, including Clay & Linen and Desert Road, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #3f6e4e in 5 real palettes, including Gemstone and Five Guys's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #3f6e4e: 9 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #3f6e4e in 5 real palettes, including Mid-Century and Fireside, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #3f6e4e in 4 real palettes, including Undergrowth and Console Light, as the lead colour.
Real palettes that use #3f6e4e
Tints & shades
Harmonies
Contrast
| #3f6e4e as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 5.91:1 | pass | pass | fail |
|
Aaon black | 3.55:1 | 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 #3f6e4e 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 #3f6e4e and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/3f6e4e-a2beae-c059d4-1f2d2a-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