Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Color
#03d8a6
#03d8a6
hex
#03d8a6rgb
rgb(3, 216, 166)hsl
hsl(166, 97%, 43%)oklch
oklch(0.784 0.158 168.4)Closest name: Envy’s Love (#2dd78d)Relative luminance 0.5188
Colors that go with #03d8a6
Charcoal, Hot Pink and 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 #03d8a6: softer than #000 and cool enough to feel like part of the same palette.
Hot Pink #ff69b4
complementaryshippedHot Pink sits directly opposite #03d8a6 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Blue #0000ff
shipped5 real palettes, including Unity's brand system and Canva's brand system put Blue beside #03d8a6, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #03d8a6 in 4 real palettes, including Formula 1's brand system and Tiffany & Co.'s brand system, as the supporting colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Fresh Juice and Crayon Box put Mustard Yellow beside #03d8a6, as the supporting colour.
Royal Blue #4169e1
shippedRoyal Blue is paired with #03d8a6 in 4 real palettes, including Docker's brand system and Khan Academy's brand system, as the supporting colour.
Taupe #483c32
shippedTaupe is paired with #03d8a6 in 14 real palettes, including Chime's brand system and Crayon Box, as the lead colour.
Light Coral #f08080
split-complementshippedLight Coral is a split-complement of #03d8a6: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #03d8a6
Tints & shades
Harmonies
Contrast
| #03d8a6 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.85:1 | fail | fail | fail | |
Aaon black | 11.38:1 | 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 #03d8a6 as the background.
Brands using this color
Palettes built around it
mcpConnect your agent — build around #03d8a6
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 #03d8a6 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/03d8a6-a2bebb-d459b1-1f2a2d-e9f1ec?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