Color
#59b1b1
#59b1b1rgb(89, 177, 177)hsl(180, 36%, 52%)oklch(0.706 0.085 195.4)Colors that go with #59b1b1
Charcoal, Blue and Crimson 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 #59b1b1: softer than #000 and cool enough to feel like part of the same palette.
Blue #0000ff
shipped4 real palettes, including Canva's brand system and Unity's brand system put Blue beside #59b1b1, as the accent.
Crimson #dc143c
shippedCrimson is paired with #59b1b1 in 4 real palettes, including Riot Games's brand system and Diner, as the supporting colour.
Dark Olive Green #556b2f
shippedDark Olive Green shows up next to #59b1b1 in 5 real palettes, including Undergrowth and Forest Floor, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #59b1b1: 6 real palettes, including Open House and Dusk, as the lead colour.
Dodger Blue #1e90ff
shippedDesigners have shipped Dodger Blue with #59b1b1: 6 real palettes, including Unity's brand system and Patreon's brand system, as the lead colour.
Midnight Blue #191970
shipped7 real palettes, including Confluent's brand system and Ford's brand system put Midnight Blue beside #59b1b1, as the lead colour.
Terracotta #e2725b
split-complementshippedTerracotta is a split-complement of #59b1b1: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Real palettes that use #59b1b1
Tints & shades
Harmonies
Contrast
| #59b1b1 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.52:1 | fail | fail | fail | |
Aaon black | 8.35:1 | 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 #59b1b1 as the background.
Brands using this color
No public brand in the corpus uses this exact color yet. Extract a brand to add one.
Fonts for this mood
#59b1b1 reads as cool, modern. The font library is tagged with the same vocabulary:
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 #59b1b1 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/59b1b1-a2bbbe-d45994-1f272d-e9f1ed?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