Color
#129abf
#129abfrgb(18, 154, 191)hsl(193, 83%, 41%)oklch(0.638 0.116 223.4)Colors that go with #129abf
Charcoal, Crimson and Amber 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 #129abf: softer than #000 and cool enough to feel like part of the same palette.
Crimson #dc143c
split-complementshippedCrimson is a split-complement of #129abf: nearly opposite, so it still pops against it, without the vibrating edge of a true complement.
Amber #ffbf00
shippedAmber is paired with #129abf in 7 real palettes, including Beach Hut and Wired's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Cobalt Blue #0047ab
shippedCobalt Blue is paired with #129abf in 4 real palettes, including Hershey's's brand system and Glacier, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Deep Sky Blue #00bfff
shippedDeep Sky Blue is paired with #129abf in 5 real palettes, including Snowflake AI Data Cloud's brand system and Remix's brand system, as the supporting colour — a combination designers have actually shipped, not a computed rotation.
Denim #1560bd
shippedDenim is paired with #129abf in 12 real palettes, including Gopro's brand system and Peacock, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Midnight Blue #191970
shippedMidnight Blue is paired with #129abf in 9 real palettes, including Ford's brand system and Confluent's brand system, as the accent — a combination designers have actually shipped, not a computed rotation.
Orange Red #ff4500
shippedOrange Red is paired with #129abf in 7 real palettes, including Launch Orange and Substack's brand system, as the lead colour — a combination designers have actually shipped, not a computed rotation.
Real palettes that use #129abf
Tints & shades
Harmonies
Contrast
| #129abf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.28:1 | fail | pass | fail | |
Aaon black | 6.4:1 | 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 #129abf as the background.
Brands using this color
Fonts for this mood
#129abf reads as cool, vivid, technical. 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 #129abf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/129abf-a2b5be-df4e75-1f242d-e9f1ef?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