Color
#45a188
#45a188rgb(69, 161, 136)hsl(164, 40%, 45%)oklch(0.646 0.096 172.6)Colors that go with #45a188
Charcoal, Blue 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #45a188: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including Unity's brand system and Kia's brand system put Blue beside #45a188, as the supporting colour.
Copper #b87333
shippedDesigners have shipped Copper with #45a188: 6 real palettes, including Clean Beauty and Wellness, as the accent.
Cornflower Blue #6495ed
shippedDesigners have shipped Cornflower Blue with #45a188: 4 real palettes, including Arctic and Spotify's brand system, as the accent.
Crimson #dc143c
shippedCrimson is paired with #45a188 in 6 real palettes, including Diner and DuckDuckGo's brand system, as the lead colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #45a188 in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #45a188: 7 real palettes, including Peacock and Intel's brand system, as the supporting colour.
Deep Pink #ff1493
complementaryDeep Pink sits directly opposite #45a188 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Real palettes that use #45a188
Tints & shades
Harmonies
Contrast
| #45a188 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.13:1 | fail | pass | fail | |
Aaon black | 6.71:1 | 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 #45a188 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 #45a188 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/45a188-a2beba-d459b5-1f2b2d-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