Color
#1d99bf
#1d99bfrgb(29, 153, 191)hsl(194, 74%, 43%)oklch(0.637 0.114 224.9)Colors that go with #1d99bf
Charcoal, Amber and Cobalt 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.
Charcoal #36454f
neutralshippedCharcoal is the text near-black for #1d99bf: softer than #000 and cool enough to feel like part of the same palette.
Amber #ffbf00
shippedAmber is paired with #1d99bf in 6 real palettes, including Beach Hut and Wired's brand system, as the supporting colour.
Cobalt Blue #0047ab
shippedDesigners have shipped Cobalt Blue with #1d99bf: 5 real palettes, including Hershey's's brand system and Glacier, as the supporting colour.
Crimson #dc143c
shippedCrimson is paired with #1d99bf in 4 real palettes, including Diner and Retro Pop, as the lead colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #1d99bf: 5 real palettes, including Snowflake AI Data Cloud's brand system and Patreon's brand system, as the supporting colour.
Denim #1560bd
shippedDesigners have shipped Denim with #1d99bf: 14 real palettes, including Gopro's brand system and Peacock, as the lead colour.
Goldenrod #daa520
shippedGoldenrod shows up next to #1d99bf in 4 real palettes, including Ledger Dark and Open House, as the lead colour.
Chocolate #d2691e
complementaryChocolate sits directly opposite #1d99bf 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 #1d99bf
Tints & shades
Harmonies
Contrast
| #1d99bf as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 3.3:1 | fail | pass | fail | |
Aaon black | 6.36:1 | 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 #1d99bf as the background.
Brands using this color
Fonts for this mood
#1d99bf 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 #1d99bf and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/1d99bf-9cb6c4-df4e72-1f242d-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