Color
#4ec678
#4ec678rgb(78, 198, 120)hsl(141, 51%, 54%)oklch(0.739 0.156 152.1)Colors that go with #4ec678
Charcoal, Mustard Yellow and Royal 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 #4ec678: softer than #000 and cool enough to feel like part of the same palette.
Mustard Yellow #ffdb58
shipped4 real palettes, including Meadow and Fresh Juice put Mustard Yellow beside #4ec678, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #4ec678 in 6 real palettes, including Docker's brand system and Brilliant's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #4ec678 in 12 real palettes, including WhatsApp's brand system and Obsidian's brand system, as the supporting colour.
Violet #ee82ee
complementaryViolet sits directly opposite #4ec678 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #4ec678: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Plum #dda0dd
split-complementshippedPlum is a split-complement of #4ec678: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped3 real palettes, including Unity's brand system and Spotify's brand system put Blue beside #4ec678, as the supporting colour.
Real palettes that use #4ec678
Tints & shades
Harmonies
Contrast
| #4ec678 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.17:1 | fail | fail | fail | |
Aaon black | 9.67:1 | 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 #4ec678 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 #4ec678 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/4ec678-a2beaf-c459d4-1f2d2a-eaf1e9?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