Color
#12a178
#12a178rgb(18, 161, 120)hsl(163, 80%, 35%)oklch(0.63 0.127 166.4)Colors that go with #12a178
Charcoal, Crimson 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 #12a178: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #12a178: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Blue #0000ff
shipped4 real palettes, including Unity's brand system and Kia's brand system put Blue beside #12a178, as the supporting colour.
Chocolate #d2691e
triadicshippedChocolate completes a triad with #12a178 — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Denim #1560bd
shippedDesigners have shipped Denim with #12a178: 5 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Midnight Blue #191970
shipped6 real palettes, including Fintech Trust and Tide Pool put Midnight Blue beside #12a178, as the text colour against it.
Royal Blue #4169e1
shippedRoyal Blue is paired with #12a178 in 6 real palettes, including Console Light and Telehealth, as the lead colour.
Taupe #483c32
shippedTaupe is paired with #12a178 in 12 real palettes, including Wellness and Rain Garden, as that palette's text colour.
Real palettes that use #12a178
Tints & shades
Harmonies
Contrast
| #12a178 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.28:1 | fail | pass | fail | |
Aaon black | 6.39:1 | pass | 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 #12a178 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 #12a178 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/12a178-a2beb9-d459b7-1f2b2d-e9f1eb?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