#E4F3EA
Closest named color: Anti-Flash White (#EDF2F4). oklch(95% 0.02 159.7), rgb(228, 243, 234).
Aa
Black text reads best on this color (18.30:1).
About this color
#E4F3EA is a very light close to neutral grey. In OKLCH its lightness is 95%, its chroma 0.020. It has too little chroma to lean warm or cool. The nearest named color is Anti-Flash White (#EDF2F4), ΔE 0.019 away. Black text reads best on it, at 18.30:1.
| Hue family | Neutrals |
| Lightness | very light (95%) |
| Chroma | close to neutral grey (0.020) |
| Temperature | neutral |
| Nearest name | Anti-Flash White (#EDF2F4) |
| Black text | 18.30:1 |
| White text | 1.14:1 |
Values
| HEX | #E4F3EA |
| RGB | rgb(228, 243, 234) |
| HSL | hsl(144, 38%, 92%) |
| OKLCH | oklch(95% 0.02 159.7) |
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 #E4F3EA | 1.14:1 | Fails | Lc -8.1 | Not readable |
| Black text on #E4F3EA | 18.30:1 | AAA | Lc 96.7 | Preferred for body text |
| #E4F3EA text on white | 1.14:1 | Fails | Lc 0.0 | Not readable |
| #E4F3EA text on black | 18.30:1 | AAA | Lc -97.6 | 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 100.
-
Step 50
50
#F4F6F5
oklch(97.1% 0.002 165.1)
-
Step 100
100 (this color)
#E4F3EA
oklch(95% 0.02 159.7)
-
Step 200
200
#D2DCD6
oklch(88.5% 0.013 159.9)
-
Step 300
300
#B3C6BB
oklch(80.9% 0.026 160.4)
-
Step 400
400
#8BA998
oklch(70.7% 0.041 160.3)
-
Step 500
500
#6E947F
oklch(63.2% 0.053 160.2)
-
Step 600
600
#567E68
oklch(55.7% 0.056 159.8)
-
Step 700
700
#466A56
oklch(49.1% 0.052 159.4)
-
Step 800
800
#3A5747
oklch(42.9% 0.044 159.7)
-
Step 900
900
#32473B
oklch(37.6% 0.033 159.2)
-
Step 950
950
#1D2A23
oklch(27% 0.022 160.9)
#E4F3EA 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) | #F3F0EA | 0.020 |
| Deuteranopia (no green cones) | #F0EEEA | 0.019 |
| Tritanopia (no blue cones) | #E2F3F0 | 0.008 |
| Achromatopsia (no color) | #EFEFEF | 0.020 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4F3EA
#E4F3EA
oklch(95% 0.02 159.7)
- #F8EAF3
#F8EAF3
oklch(95.1% 0.019 338.7)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #E4F3EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Anti-Flash White #EDF2F4 ΔE 0.019
- White Smoke #F5F5F5 ΔE 0.028
- Linen #FAF0E6 ΔE 0.028
- Beige #F5F5DC ΔE 0.029
- Ice #D6FFFA ΔE 0.033
- Alice Blue #F0F8FF ΔE 0.033
- Old Lace #FDF5E6 ΔE 0.034
- Light Cyan #E0FFFF ΔE 0.034
Use #E4F3EA 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.