#EFF7F9
Closest named color: Alice Blue (#F0F8FF). oklch(97.1% 0.009 214.3), rgb(239, 247, 249).
Aa
Black text reads best on this color (19.34:1).
About this color
#EFF7F9 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.009. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.008 away. Black text reads best on it, at 19.34:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.009) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.34:1 |
| White text | 1.08:1 |
Values
| HEX | #EFF7F9 |
| RGB | rgb(239, 247, 249) |
| HSL | hsl(192, 45%, 96%) |
| OKLCH | oklch(97.1% 0.009 214.3) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #EFF7F9 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF7F9 | 19.34:1 | AAA | Lc 100.4 | Preferred for body text |
| #EFF7F9 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #EFF7F9 text on black | 19.34:1 | AAA | Lc -101.6 | Preferred for body text |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 50.
-
Step 50
50 (this color)
#EFF7F9
oklch(97.1% 0.009 214.3)
-
Step 100
100
#E7EAEB
oklch(93.5% 0.004 219.5)
-
Step 200
200
#D5DADC
oklch(88.5% 0.006 223.5)
-
Step 300
300
#B9C3C5
oklch(81% 0.011 211)
-
Step 400
400
#94A4A8
oklch(70.7% 0.019 214.4)
-
Step 500
500
#7A8D92
oklch(63% 0.023 215.4)
-
Step 600
600
#63777D
oklch(55.5% 0.025 217.9)
-
Step 700
700
#526469
oklch(49% 0.023 216.4)
-
Step 800
800
#435256
oklch(42.7% 0.02 215.7)
-
Step 900
900
#394447
oklch(37.8% 0.015 216)
-
Step 950
950
#212829
oklch(27% 0.01 207.1)
#EFF7F9 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #F5F6F9 | 0.008 |
| Deuteranopia (no green cones) | #F4F5F9 | 0.008 |
| Tritanopia (no blue cones) | #EDF8F8 | 0.004 |
| Achromatopsia (no color) | #F5F5F5 | 0.009 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #EFF7F9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.008
- White Smoke #F5F5F5 ΔE 0.009
- Anti-Flash White #EDF2F4 ΔE 0.013
- Cultured #F8F9FA ΔE 0.013
- Ghost White #F8F8FF ΔE 0.015
- Azure #F0FFFF ΔE 0.020
- Very Light Pink #FFF4F2 ΔE 0.022
- Mint Cream #F5FFFA ΔE 0.023
Use #EFF7F9 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.