#E3FFFB
Closest named color: Light Cyan (#E0FFFF). oklch(97.9% 0.029 186.3), rgb(227, 255, 251).
Aa
Black text reads best on this color (19.96:1).
About this color
#E3FFFB is a very light close to neutral grey. In OKLCH its lightness is 98%, its chroma 0.029. It has too little chroma to lean warm or cool. The nearest named color is Light Cyan (#E0FFFF), ΔE 0.006 away. Black text reads best on it, at 19.96:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 19.96:1 |
| White text | 1.05:1 |
Values
| HEX | #E3FFFB |
| RGB | rgb(227, 255, 251) |
| HSL | hsl(171, 100%, 95%) |
| OKLCH | oklch(97.9% 0.029 186.3) |
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 #E3FFFB | 1.05:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E3FFFB | 19.96:1 | AAA | Lc 102.5 | Preferred for body text |
| #E3FFFB text on white | 1.05:1 | Fails | Lc 0.0 | Not readable |
| #E3FFFB text on black | 19.96:1 | AAA | Lc -104.0 | 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)
#E3FFFB
oklch(97.9% 0.029 186.3)
-
Step 100
100
#E2ECEB
oklch(93.5% 0.011 189.8)
-
Step 200
200
#CBDEDB
oklch(88.6% 0.021 185.4)
-
Step 300
300
#A6C9C4
oklch(80.9% 0.038 185.9)
-
Step 400
400
#74ADA6
oklch(70.6% 0.061 186.2)
-
Step 500
500
#4C9991
oklch(63.2% 0.077 186.5)
-
Step 600
600
#29837B
oklch(55.6% 0.084 186.6)
-
Step 700
700
#196F68
oklch(49.1% 0.078 186.8)
-
Step 800
800
#195A54
oklch(42.6% 0.065 186.2)
-
Step 900
900
#1D4A46
oklch(37.6% 0.05 187.4)
-
Step 950
950
#122C29
oklch(27.1% 0.033 185.7)
#E3FFFB 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) | #FCFCFB | 0.032 |
| Deuteranopia (no green cones) | #F6F7FB | 0.030 |
| Tritanopia (no blue cones) | #DCFFFE | 0.009 |
| Achromatopsia (no color) | #F9F9F9 | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3FFFB
#E3FFFB
oklch(97.9% 0.029 186.3)
- #FFF5F7
#FFF5F7
oklch(97.8% 0.011 3.5)
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 #E3FFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.006
- Ice Blue #D7FFFE ΔE 0.014
- Very Pale Blue #D6FFFE ΔE 0.016
- Ice #D6FFFA ΔE 0.016
- Very Light Blue #D5FFFF ΔE 0.017
- Azure #F0FFFF ΔE 0.018
- Really Light Blue #D4FFFF ΔE 0.018
- Honeydew #F0FFF0 ΔE 0.020
Use #E3FFFB 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.