Color
#999cf4
#999cf4rgb(153, 156, 244)hsl(238, 81%, 78%)oklch(0.726 0.127 281.3)Colors that go with #999cf4
Charcoal, Goldenrod 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 #999cf4: softer than #000 and cool enough to feel like part of the same palette.
Goldenrod #daa520
complementaryshippedGoldenrod sits directly opposite #999cf4 on the wheel — the strongest contrast one hue can give another, so use it small: a button, a link colour, one highlight.
Amber #ffbf00
shippedAmber is paired with #999cf4 in 5 real palettes, including Ahrefs's brand system and Blueprint, as the supporting colour.
Deep Sky Blue #00bfff
shippedDesigners have shipped Deep Sky Blue with #999cf4: 5 real palettes, including Blueprint and Calm's brand system, as the lead colour.
Denim #1560bd
shippedDesigners have shipped Denim with #999cf4: 5 real palettes, including Coca-Cola's brand system and Venmo's brand system, as the accent.
Midnight Blue #191970
shipped7 real palettes, including Blue Mono and First Snow put Midnight Blue beside #999cf4, as the text colour against it.
Periwinkle #ccccff
shippedPeriwinkle shows up next to #999cf4 in 4 real palettes, including Blue Mono and Calendly's brand system, as the accent.
Royal Blue #4169e1
shippedRoyal Blue is paired with #999cf4 in 7 real palettes, including Roblox's brand system and Sephora's brand system, as the lead colour.
Real palettes that use #999cf4
Tints & shades
Harmonies
Contrast
| #999cf4 as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 2.5:1 | fail | fail | fail | |
Aaon black | 8.42:1 | 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 #999cf4 as the background.
Brands using this color
Fonts for this mood
#999cf4 reads as cool, vivid, light. 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 #999cf4 and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
/palettes/new/999cf4-9f9cc4-df944e-251f2d-e9edf1?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