Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#3ccd91
#3ccd91
hex
#3ccd91rgb
rgb(60, 205, 145)hsl
hsl(155, 59%, 52%)oklch
oklch(0.758 0.15 161.1)Closest name: Emerald Green (#50c878)Relative luminance 0.4667
Colors that go with #3ccd91
Charcoal, Hot Pink and Deep Sky 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 #3ccd91: softer than #000 and cool enough to feel like part of the same palette.
Hot Pink #ff69b4
complementaryshippedHot Pink sits directly opposite #3ccd91 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
shippedDeep Sky Blue is paired with #3ccd91 in 4 real palettes, including Remix's brand system and Prime Video's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Mustard Yellow #ffdb58
shippedMustard Yellow is paired with #3ccd91 in 4 real palettes, including Fresh Juice and Meadow, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #3ccd91 in 14 real palettes, including WhatsApp's brand system and Obsidian's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #3ccd91: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shippedBlue is paired with #3ccd91 in 3 real palettes, including Unity's brand system and Spotify's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Dark Olive Green #556b2f
shippedDark Olive Green is paired with #3ccd91 in 3 real palettes, including 7-Eleven's brand system and Undergrowth, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #3ccd91
Tints & shades
Harmonies
Contrast
| #3ccd91 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.03:1 | fail | fail | fail | |
Aaon black | 10.33:1 | 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 #3ccd91 as the background.
Brands using this color
Palettes built around it
mcpConnect your agent — build around #3ccd91
live endpointPoint 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.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #3ccd91 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/3ccd91-a2beb6-d459c8-1f2d2d-e9f1ea?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