#E4FBF3
Closest named color: Light Cyan (#E0FFFF). oklch(96.9% 0.026 172.9), rgb(228, 251, 243).
Aa
Black text reads best on this color (19.39:1).
About this color
#E4FBF3 is a very light close to neutral grey. In OKLCH its lightness is 97%, its chroma 0.026. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.016 away. Black text reads best on it, at 19.39:1.
| Hue family | Neutrals |
| Lightness | very light (97%) |
| Chroma | close to neutral grey (0.026) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.39:1 |
| White text | 1.08:1 |
Values
| HEX | #E4FBF3 |
| RGB | rgb(228, 251, 243) |
| HSL | hsl(159, 74%, 94%) |
| OKLCH | oklch(96.9% 0.026 172.9) |
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 #E4FBF3 | 1.08:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E4FBF3 | 19.39:1 | AAA | Lc 100.5 | Preferred for body text |
| #E4FBF3 text on white | 1.08:1 | Fails | Lc 0.0 | Not readable |
| #E4FBF3 text on black | 19.39:1 | AAA | Lc -101.8 | 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)
#E4FBF3
oklch(96.9% 0.026 172.9)
-
Step 100
100
#E4ECE9
oklch(93.6% 0.009 171.8)
-
Step 200
200
#CDDDD8
oklch(88.4% 0.018 175.3)
-
Step 300
300
#ABC8BE
oklch(80.8% 0.034 172.6)
-
Step 400
400
#7EAC9D
oklch(70.7% 0.054 172.6)
-
Step 500
500
#5B9785
oklch(63% 0.069 172.9)
-
Step 600
600
#3F826F
oklch(55.7% 0.075 172.6)
-
Step 700
700
#306E5D
oklch(49.2% 0.07 172.8)
-
Step 800
800
#29594C
oklch(42.6% 0.057 173.5)
-
Step 900
900
#26493F
oklch(37.5% 0.045 173.3)
-
Step 950
950
#172B25
oklch(27% 0.028 173)
#E4FBF3 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) | #F9F8F3 | 0.027 |
| Deuteranopia (no green cones) | #F5F4F4 | 0.027 |
| Tritanopia (no blue cones) | #DFFCF9 | 0.009 |
| Achromatopsia (no color) | #F6F6F6 | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E4FBF3
#E4FBF3
oklch(96.9% 0.026 172.9)
- #FFF0F6
#FFF0F6
oklch(96.9% 0.018 351.1)
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 #E4FBF3, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.016
- Ice #D6FFFA ΔE 0.018
- Ice Blue #D7FFFE ΔE 0.019
- Honeydew #F0FFF0 ΔE 0.020
- Very Pale Blue #D6FFFE ΔE 0.020
- Very Light Blue #D5FFFF ΔE 0.022
- Really Light Blue #D4FFFF ΔE 0.022
- Azure #F0FFFF ΔE 0.024
Use #E4FBF3 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.