Color
#186d5f
#186d5frgb(24, 109, 95)hsl(170, 64%, 26%)oklch(0.483 0.081 178.9)Colors that go with #186d5f
Charcoal, Crimson and Medium Violet Red 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 #186d5f: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #186d5f: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Medium Violet Red #c71585
complementaryshippedMedium Violet Red sits directly opposite #186d5f on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #186d5f: 4 real palettes, including Alpine and Open House, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #186d5f: 5 real palettes, including Desert Road and Clay & Linen, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #186d5f: 9 real palettes, including Intel's brand system and Jack Daniel's's brand system, as the supporting colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #186d5f in 4 real palettes, including Mid-Century and Fireside, as the accent.
Medium Sea Green #3cb371
shippedMedium Sea Green is paired with #186d5f in 5 real palettes, including Undergrowth and Console Light, as the lead colour.
Real palettes that use #186d5f
Tints & shades
Harmonies
Contrast
| #186d5f as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 6.19:1 | pass | pass | fail |
|
Aaon black | 3.39:1 | fail | 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 #186d5f as the background.
Brands using this color
Fonts for this mood
#186d5f reads as vivid, dark, luxury. The font library is tagged with the same vocabulary:
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 #186d5f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/186d5f-a2bebd-d459a9-1f292d-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