Color

#45a58f

#45a58f
hex#45a58f
rgbrgb(69, 165, 143)
hslhsl(166, 41%, 46%)
oklchoklch(0.658 0.097 175.6)
Closest name: Hole in One (#4aae97)Relative luminance 0.3016

Colors that go with #45a58f

Charcoal, Copper and Cornflower 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.

Real palettes that use #45a58f

Tints & shades

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

Harmonies

Complementary

Open in tool →

#a5455c

#45a55f · #458ca5

#8f45a5 · #a58f45

Split-complementary

Open in tool →

#a5458c · #a55f45

#5f45a5 · #a5455c · #8ca545

Contrast

#45a58f as textRatioAAAA largeAAAFix
Aaon white
2.99:1failfailfail
  • AA: use #368170 as the text (4.63:1)
  • AAA: use #296154 as the text (7.16:1)
  • AA: or shift the background to #2e2e2e (4.55:1)
  • AAA: or shift the background to #000000 (7.03:1)
Aaon black
7.03:1passpasspassPasses 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 #45a58f 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 #45a58f
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 #45a58f and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link

tool url/palettes/new/45a58f-a2bebb-d459b1-1f2a2d-e9f1ec?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