Color
#405e4a
#405e4argb(64, 94, 74)hsl(140, 19%, 31%)oklch(0.452 0.048 154.8)Colors that go with #405e4a
Cadet Blue, Champagne and Copper 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.
Cadet Blue #5f9ea0
shippedDesigners have shipped Cadet Blue with #405e4a: 4 real palettes, including Paper & Pine and Alpine, as the supporting colour.
Champagne #f7e7ce
shipped4 real palettes, including Darkroom and BrandSweets's brand system put Champagne beside #405e4a, as the surface under it.
Copper #b87333
shippedDesigners have shipped Copper with #405e4a: 4 real palettes, including Desert Road and Clay & Linen, as the lead colour.
Crimson #dc143c
shippedCrimson is paired with #405e4a in 5 real palettes, including Gemstone and Codecademy's brand system, as the accent.
Denim #1560bd
shippedDesigners have shipped Denim with #405e4a: 8 real palettes, including HP's brand system and Hinge's brand system, as the accent.
Goldenrod #daa520
shippedGoldenrod shows up next to #405e4a in 5 real palettes, including Fireside and Mid-Century, as the accent.
White Smoke #f5f5f5
neutralWhite Smoke is the surface for #405e4a: a clean near-white with no warm cast, so the cool hue stays clear instead of drifting muddy.
Slate Blue #6a5acd
split-complementshippedSlate Blue is a split-complement of #405e4a: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #405e4a
Tints & shades
Harmonies
Contrast
| #405e4a as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 7.2:1 | pass | pass | pass | Passes AAA — no fix needed. |
Aaon black | 2.92:1 | fail | fail | fail |
Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #405e4a 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 #405e4a and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/405e4a-a2beaf-c259d4-1f2d2a-ebf1e9?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