#A4DFFB
Closest named color: Light Blue (#ADD8E6). oklch(87.3% 0.071 228.9), rgb(164, 223, 251).
Aa
Black text reads best on this color (14.52:1).
About this color
#A4DFFB is a light, moderately saturated teal or cyan. In OKLCH its lightness is 87%, its chroma 0.071 and its hue 229°. Its hue sits on the cool side of the wheel. The nearest named color is Light Blue (#ADD8E6), ΔE 0.030 away. Black text reads best on it, at 14.52:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Light Blue (#ADD8E6) |
| Black text | 14.52:1 |
| White text | 1.44:1 |
Values
| HEX | #A4DFFB |
| RGB | rgb(164, 223, 251) |
| HSL | hsl(199, 92%, 81%) |
| OKLCH | oklch(87.3% 0.071 228.9) |
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 #A4DFFB | 1.44:1 | Fails | Lc -24.1 | Dividers and decoration only |
| Black text on #A4DFFB | 14.52:1 | AAA | Lc 82.5 | Fine for body text |
| #A4DFFB text on white | 1.44:1 | Fails | Lc 21.2 | Dividers and decoration only |
| #A4DFFB text on black | 14.52:1 | AAA | Lc -82.1 | Fine 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 200.
-
Step 50
50
#EDF7FC
oklch(97% 0.013 228.9)
-
Step 100
100
#D9EEF8
oklch(93.7% 0.026 227.9)
-
Step 200
200 (this color)
#A4DFFB
oklch(87.3% 0.071 228.9)
-
Step 300
300
#7ECCF0
oklch(80.8% 0.092 229.2)
-
Step 400
400
#00B0E5
oklch(70.8% 0.139 228.7)
-
Step 500
500
#0097C5
oklch(63.2% 0.124 228.7)
-
Step 600
600
#007EA6
oklch(55.5% 0.11 229.3)
-
Step 700
700
#006A8C
oklch(49% 0.097 229.1)
-
Step 800
800
#005773
oklch(42.7% 0.084 228.5)
-
Step 900
900
#004861
oklch(37.6% 0.075 229.8)
-
Step 950
950
#002B3B
oklch(27% 0.053 228.8)
#A4DFFB 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) | #D1DCFD | 0.054 |
| Deuteranopia (no green cones) | #C4D2FB | 0.048 |
| Tritanopia (no blue cones) | #86E7E8 | 0.050 |
| Achromatopsia (no color) | #D7D7D7 | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DFFB
#A4DFFB
oklch(87.3% 0.071 228.9)
- #FDC8AC
#FDC8AC
oklch(87.3% 0.071 49.2)
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 #A4DFFB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Blue #ADD8E6 ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.032
- Celeste #A8DADC ΔE 0.041
- Robin's Egg Blue #98EFF9 ΔE 0.044
- Baby Blue #A2CFFE ΔE 0.045
- Robin Egg Blue #8AF1FE ΔE 0.050
- Pale Turquoise #AFEEEE ΔE 0.052
- Robin's Egg #6DEDFD ΔE 0.056
Use #A4DFFB 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.