#E4FEF8
Closest named color: Light Cyan (#E0FFFF). oklch(97.7% 0.028 180.3), rgb(228, 254, 248).
Aa
Black text reads best on this color (19.83:1).
About this color
#E4FEF8 is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.009 away. Black text reads best on it, at 19.83:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.83:1 |
| White text | 1.05:1 |
Values
| HEX | #E4FEF8 |
| RGB | rgb(228, 254, 248) |
| HSL | hsl(166, 93%, 95%) |
| OKLCH | oklch(97.7% 0.028 180.3) |
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 #E4FEF8 | 1.05:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E4FEF8 | 19.83:1 | AAA | Lc 102.1 | Preferred for body text |
| #E4FEF8 text on white | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #E4FEF8 text on black | 19.83:1 | AAA | Lc -103.5 | 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)
#E4FEF8
oklch(97.7% 0.028 180.3)
-
Step 100
100
#E3ECEA
oklch(93.6% 0.01 181.4)
-
Step 200
200
#CCDEDA
oklch(88.6% 0.02 181.1)
-
Step 300
300
#A8C9C1
oklch(80.9% 0.037 179)
-
Step 400
400
#78ADA2
oklch(70.7% 0.058 180.2)
-
Step 500
500
#52988B
oklch(63% 0.074 180.3)
-
Step 600
600
#338375
oklch(55.7% 0.081 179.7)
-
Step 700
700
#246E62
oklch(48.9% 0.075 180.3)
-
Step 800
800
#205A50
oklch(42.7% 0.062 179.9)
-
Step 900
900
#214A43
oklch(37.7% 0.048 181)
-
Step 950
950
#142B27
oklch(26.9% 0.03 181.4)
#E4FEF8 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) | #FBFBF8 | 0.029 |
| Deuteranopia (no green cones) | #F6F7F8 | 0.028 |
| Tritanopia (no blue cones) | #DEFFFC | 0.008 |
| Achromatopsia (no color) | #F8F8F8 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4FEF8
#E4FEF8
oklch(97.7% 0.028 180.3)
- #FFF4F7
#FFF4F7
oklch(97.7% 0.012 358.8)
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 #E4FEF8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.009
- Ice Blue #D7FFFE ΔE 0.016
- Ice #D6FFFA ΔE 0.016
- Very Pale Blue #D6FFFE ΔE 0.017
- Honeydew #F0FFF0 ΔE 0.018
- Azure #F0FFFF ΔE 0.019
- Very Light Blue #D5FFFF ΔE 0.019
- Really Light Blue #D4FFFF ΔE 0.020
Use #E4FEF8 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.