#F4FFFF
Closest named color: Azure (#F0FFFF). oklch(99.2% 0.012 197), rgb(244, 255, 255).
Aa
Black text reads best on this color (20.59:1).
About this color
#F4FFFF is a very light close to neutral grey. In OKLCH its lightness is 99%, its chroma 0.012. It has too little chroma to lean warm or cool. The nearest named color is Azure (#F0FFFF), ΔE 0.005 away. Black text reads best on it, at 20.59:1.
| Hue family | Neutrals |
| Lightness | very light (99%) |
| Chroma | close to neutral grey (0.012) |
| Temperature | neutral |
| Nearest name | Azure (#F0FFFF) |
| Black text | 20.59:1 |
| White text | 1.01:1 |
Values
| HEX | #F4FFFF |
| RGB | rgb(244, 255, 255) |
| HSL | hsl(180, 100%, 98%) |
| OKLCH | oklch(99.2% 0.012 197) |
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 #F4FFFF | 1.01:1 | Fails | Lc 0.0 | Not readable |
| Black text on #F4FFFF | 20.59:1 | AAA | Lc 104.7 | Preferred for body text |
| #F4FFFF text on white | 1.01:1 | Fails | Lc 0.0 | Not readable |
| #F4FFFF text on black | 20.59:1 | AAA | Lc -106.4 | 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)
#F4FFFF
oklch(99.2% 0.012 197)
-
Step 100
100
#E7EBEB
oklch(93.7% 0.004 197.1)
-
Step 200
200
#D3DBDB
oklch(88.5% 0.009 197)
-
Step 300
300
#B6C4C4
oklch(81% 0.015 196.9)
-
Step 400
400
#90A5A6
oklch(70.6% 0.024 200.1)
-
Step 500
500
#758F90
oklch(63% 0.03 199.3)
-
Step 600
600
#5D7A7A
oklch(55.7% 0.033 196.2)
-
Step 700
700
#4C6667
oklch(49% 0.031 199.1)
-
Step 800
800
#3F5354
oklch(42.6% 0.025 200.1)
-
Step 900
900
#364545
oklch(37.7% 0.019 196.4)
-
Step 950
950
#1F2828
oklch(26.8% 0.013 196.4)
#F4FFFF 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) | #FDFEFF | 0.012 |
| Deuteranopia (no green cones) | #FBFCFF | 0.011 |
| Tritanopia (no blue cones) | #F1FFFF | 0.004 |
| Achromatopsia (no color) | #FDFDFD | 0.012 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
This color is close to neutral, so it has no meaningful hue to rotate. Hue harmonies are omitted.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #F4FFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Azure #F0FFFF ΔE 0.005
- Mint Cream #F5FFFA ΔE 0.007
- Pale Grey #FDFDFE ΔE 0.012
- White #FFFFFF ΔE 0.014
- Cultured #F8F9FA ΔE 0.015
- Snow #FFFAFA ΔE 0.017
- Ghost White #F8F8FF ΔE 0.018
- Alice Blue #F0F8FF ΔE 0.019
Use #F4FFFF 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.