#EFF8F8
Closest named color: Alice Blue (#F0F8FF). oklch(97.2% 0.01 197), rgb(239, 248, 248).
Aa
Black text reads best on this color (19.45:1).
About this color
#EFF8F8 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.010. It has too little chroma to lean warm or cool. The nearest named color is Alice Blue (#F0F8FF), ΔE 0.010 away. Black text reads best on it, at 19.45:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.010) |
| Temperature | neutral |
| Nearest name | Alice Blue (#F0F8FF) |
| Black text | 19.45:1 |
| White text | 1.07:1 |
Values
| HEX | #EFF8F8 |
| RGB | rgb(239, 248, 248) |
| HSL | hsl(180, 39%, 95%) |
| OKLCH | oklch(97.2% 0.01 197) |
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 #EFF8F8 | 1.07:1 | Fails | Lc 0.0 | Not readable |
| Black text on #EFF8F8 | 19.45:1 | AAA | Lc 100.7 | Preferred for body text |
| #EFF8F8 text on white | 1.07:1 | Fails | Lc 0.0 | Not readable |
| #EFF8F8 text on black | 19.45:1 | AAA | Lc -102.0 | 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)
#EFF8F8
oklch(97.2% 0.01 197)
-
Step 100
100
#E7EAEA
oklch(93.5% 0.003 197.1)
-
Step 200
200
#D4DADA
oklch(88.4% 0.007 197)
-
Step 300
300
#B8C3C3
oklch(80.9% 0.012 196.9)
-
Step 400
400
#93A5A5
oklch(70.8% 0.02 196.7)
-
Step 500
500
#798E8F
oklch(63.1% 0.024 200.1)
-
Step 600
600
#617979
oklch(55.7% 0.028 196.4)
-
Step 700
700
#506566
oklch(49% 0.025 200)
-
Step 800
800
#425353
oklch(42.8% 0.021 196.4)
-
Step 900
900
#384444
oklch(37.6% 0.016 196.5)
-
Step 950
950
#212828
oklch(27% 0.01 196.6)
#EFF8F8 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) | #F7F7F8 | 0.010 |
| Deuteranopia (no green cones) | #F5F6F8 | 0.009 |
| Tritanopia (no blue cones) | #EDF9F8 | 0.003 |
| Achromatopsia (no color) | #F6F6F6 | 0.010 |
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 #EFF8F8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Alice Blue #F0F8FF ΔE 0.010
- White Smoke #F5F5F5 ΔE 0.010
- Cultured #F8F9FA ΔE 0.013
- Anti-Flash White #EDF2F4 ΔE 0.015
- Ghost White #F8F8FF ΔE 0.016
- Azure #F0FFFF ΔE 0.018
- Mint Cream #F5FFFA ΔE 0.020
- Very Light Pink #FFF4F2 ΔE 0.022
Use #EFF8F8 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.