#E3FFFF
Closest named color: Light Cyan (#E0FFFF). oklch(98% 0.029 196.7), rgb(227, 255, 255).
Aa
Black text reads best on this color (20.01:1).
About this color
#E3FFFF 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 0.004 away. Black text reads best on it, at 20.01:1.
| Hue family | Neutrals |
| Lightness | very light (98%) |
| Chroma | close to neutral grey (0.029) |
| Temperature | neutral |
| Nearest name | Light Cyan (#E0FFFF) |
| Black text | 20.01:1 |
| White text | 1.04:1 |
Values
| HEX | #E3FFFF |
| RGB | rgb(227, 255, 255) |
| HSL | hsl(180, 100%, 95%) |
| OKLCH | oklch(98% 0.029 196.7) |
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 #E3FFFF | 1.04:1 | Fails | Lc 0.0 | Not readable |
| Black text on #E3FFFF | 20.01:1 | AAA | Lc 102.7 | Preferred for body text |
| #E3FFFF text on white | 1.04:1 | Fails | Lc 0.0 | Not readable |
| #E3FFFF text on black | 20.01:1 | AAA | Lc -104.2 | 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)
#E3FFFF
oklch(98% 0.029 196.7)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300
#A6C9C9
oklch(81% 0.037 196.4)
-
Step 400
400
#73ADAD
oklch(70.8% 0.06 195.9)
-
Step 500
500
#4B9899
oklch(63.2% 0.076 196.5)
-
Step 600
600
#278284
oklch(55.6% 0.083 197.2)
-
Step 700
700
#176E6F
oklch(49.1% 0.077 196.1)
-
Step 800
800
#185A5B
oklch(42.8% 0.064 196.5)
-
Step 900
900
#1C4A4A
oklch(37.8% 0.05 195.3)
-
Step 950
950
#122B2C
oklch(27% 0.031 198.9)
#E3FFFF 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) | #FBFCFF | 0.030 |
| Deuteranopia (no green cones) | #F5F8FF | 0.027 |
| Tritanopia (no blue cones) | #DBFFFF | 0.010 |
| Achromatopsia (no color) | #F9F9F9 | 0.029 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #E3FFFF
#E3FFFF
oklch(98% 0.029 196.7)
- #FFF6F6
#FFF6F6
oklch(98% 0.01 17.3)
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 #E3FFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Cyan #E0FFFF ΔE 0.004
- Ice Blue #D7FFFE ΔE 0.015
- Very Pale Blue #D6FFFE ΔE 0.016
- Azure #F0FFFF ΔE 0.016
- Very Light Blue #D5FFFF ΔE 0.017
- Ice #D6FFFA ΔE 0.018
- Really Light Blue #D4FFFF ΔE 0.018
- Mint Cream #F5FFFA ΔE 0.023
Use #E3FFFF 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.