Color
#40bfae
#40bfaergb(64, 191, 174)hsl(172, 50%, 50%)oklch(0.731 0.113 182.5)Colors that go with #40bfae
Charcoal, Blue and Dark Olive Green 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 #40bfae: 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 Uber's brand system put Blue beside #40bfae, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #40bfae in 4 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Dark Orange #ff8c00
triadicshippedDark Orange completes a triad with #40bfae — three hues spaced evenly round the wheel, the classic way to get energy into a palette without a clash.
Midnight Blue #191970
shipped6 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #40bfae, as the lead colour.
Mustard Yellow #ffdb58
shipped4 real palettes, including Crayon Box and Fresh Juice put Mustard Yellow beside #40bfae, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #40bfae in 5 real palettes, including Khan Academy's brand system and Brilliant's brand system, as the accent.
Slate Gray #708090
shipped4 real palettes, including Indigo SaaS and Ledger Dark put Slate Gray beside #40bfae, as the supporting colour.
Real palettes that use #40bfae
Tints & shades
Harmonies
Contrast
| #40bfae as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.26:1 | fail | fail | fail | |
Aaon black | 9.28:1 | pass | pass | pass | Passes 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 #40bfae 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 #40bfae and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/40bfae-a2bebe-d459a5-1f292d-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