Color

#458c66

#458c66
hex#458c66
rgbrgb(69, 140, 102)
hslhsl(148, 34%, 41%)
oklchoklch(0.583 0.093 158.2)
Closest name: Illuminati Green (#419168)Relative luminance 0.2098

Colors that go with #458c66

Charcoal, Medium Violet Red 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.

Tints & shades

Every swatch is its own page — click any to analyze it.

Harmonies

Complementary

Open in tool →

#8c456b

#478c45 · #458c8a

#66458c · #8c6645

Split-complementary

Open in tool →

#8a458c · #8c4547

#45478c · #8c456b · #8c8a45

Contrast

#458c66 as textRatioAAAA largeAAAFix
Aaon white
4.04:1failpassfail
  • AA: use #40825f as the text (4.59:1)
  • AAA: use #2f6046 as the text (7.29:1)
  • AA: or shift the background to #141414 (4.56:1)
Aaon black
5.2:1passpassfail
  • AAA: use #52a77a as the text (7.17:1)

Fixes keep hue and saturation and move lightness only, so the suggestion stays on-brand. Ratios are symmetric: the same numbers apply with #458c66 as the background.

Brands using this color

No public brand in the corpus uses this exact color yet. Extract a brand to add one.

mcpConnect your agent — build around #458c66
live endpoint

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.

endpointhttps://mcp.brandsweets.com/colors/mcp
claude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt

analyze #458c66 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/458c66-a2beb2-d259d4-1f2d2c-eaf1e9?lock=0&style=vibrant

Want the agent to remember your picks and write them into a living brand? Create a free BrandSweets workspace.

Machine-readable: color.md