Playground
Open in tool →Orange, blue and green — the colors of playground equipment; loud, cheerful, obviously for kids.
Color
#03c970
#03c970
hex
#03c970rgb
rgb(3, 201, 112)hsl
hsl(153, 97%, 40%)oklch
oklch(0.734 0.185 153.9)Closest name: Emerald Green (#50c878)Relative luminance 0.4296
Colors that go with #03c970
Charcoal, Violet and Light Coral 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 #03c970: softer than #000 and cool enough to feel like part of the same palette.
Violet #ee82ee
complementaryViolet sits directly opposite #03c970 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 #03c970: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Cornflower Blue #6495ed
triadicshippedCornflower Blue completes a triad with #03c970 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Dark Orange #ff8c00
shippedDark Orange is paired with #03c970 in 3 real palettes, including Playground and Learning App, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Mustard Yellow #ffdb58
shippedMustard Yellow is paired with #03c970 in 3 real palettes, including Meadow and Fresh Juice, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Royal Blue #4169e1
shippedRoyal Blue is paired with #03c970 in 3 real palettes, including MongoDB's brand system and Console Light, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Taupe #483c32
shippedTaupe is paired with #03c970 in 3 real palettes, including Meadow and Citrus Grove, as the text colour against it — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #03c970
Tints & shades
Harmonies
Contrast
| #03c970 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.19:1 | fail | fail | fail | |
Aaon black | 9.59:1 | 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 #03c970 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Palettes built around it
mcpConnect your agent — build around #03c970
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 #03c970 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/03c970-a2beb5-d459cc-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