Terminal
Open in tool →Green for success, blue for links, pink for emphasis — the dark-mode developer family, tuned to sit on near-black without glare.
Color
#eff1fa
#eff1fa
hex
#eff1fargb
rgb(239, 241, 250)hsl
hsl(229, 52%, 96%)oklch
oklch(0.959 0.012 276.1)Closest name: Errigal White (#f2f2f4)Relative luminance 0.8816
Tints & shades
Harmonies
Contrast
| #eff1fa as text | Ratio | AA | AA large | AAA | Fix |
|---|---|---|---|---|---|
Aaon white | 1.13:1 | fail | fail | fail | |
Aaon black | 18.63:1 | 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 #eff1fa as the background.
Brands using this color
Palettes built around it
Graphite
Open in tool →A greyscale system with a single amber — the accent does all the work, so allow one per screen.
Ledger Dark
Open in tool →Gold on midnight is the private-banking cue; the mint accent keeps it from feeling old-money stuffy.
Atelier
Open in tool →Black on bone with a whisper of gold: the runway default that lets garments carry the color.
Estate
Open in tool →Bronze on charcoal signals premium listings; the silver accent handles secondary detail without adding color.
Noir Beauty
Open in tool →Black, gold and one deep red — the prestige cosmetics counter: all restraint and a single lipstick.
Studio Grey
Open in tool →A pure greyscale with a single electric blue — the portfolio palette that makes work look considered.
Dusk
Open in tool →Slate blue with a copper accent — calm, professional, slightly editorial; suits consultancies and journals.
Fonts for this mood
#eff1fa reads as cool, light, clean. The font library is tagged with the same vocabulary:
mcpConnect your agent — build around #eff1fa
live endpointPoint any MCP client at the shared colors endpoint and your agent gets the same engine as this page — generate_palette, check_contrast, analyze_color — read-only, no key. Every palette it proposes comes with a /palettes/new/… link: open it, lock what you like, paste the link back.
endpoint
https://mcp.brandsweets.com/colors/mcpclaude mcp add --transport http brandsweets-colors https://mcp.brandsweets.com/colors/mcp
try this prompt
›analyze #eff1fa and generate a 5-color palette that keeps it as the primary; give me the /palettes/new link
tool url
/palettes/new/eff1fa-9c9fc4-df7e4e-231f2d-e9eef1?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