#A4E6FF
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.9% 0.075 223.5), rgb(164, 230, 255).
Aa
Black text reads best on this color (15.34:1).
About this color
#A4E6FF is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.075 and its hue 224°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.030 away. Black text reads best on it, at 15.34:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.34:1 |
| White text | 1.36:1 |
Values
| HEX | #A4E6FF |
| RGB | rgb(164, 230, 255) |
| HSL | hsl(196, 100%, 82%) |
| OKLCH | oklch(88.9% 0.075 223.5) |
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 #A4E6FF | 1.36:1 | Fails | Lc -20.5 | Dividers and decoration only |
| Black text on #A4E6FF | 15.34:1 | AAA | Lc 85.7 | Fine for body text |
| #A4E6FF text on white | 1.36:1 | Fails | Lc 18.0 | Dividers and decoration only |
| #A4E6FF text on black | 15.34:1 | AAA | Lc -85.6 | 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
#EDF8FC
oklch(97.2% 0.013 221.4)
-
Step 100
100
#D7EEF8
oklch(93.5% 0.028 225.7)
-
Step 200
200 (this color)
#A4E6FF
oklch(88.9% 0.075 223.5)
-
Step 300
300
#76CEEE
oklch(80.8% 0.096 223.7)
-
Step 400
400
#00B1DD
oklch(70.6% 0.133 223.9)
-
Step 500
500
#0098BE
oklch(63.1% 0.118 223.7)
-
Step 600
600
#0080A0
oklch(55.7% 0.104 223.4)
-
Step 700
700
#006B87
oklch(49% 0.092 224)
-
Step 800
800
#00586F
oklch(42.7% 0.08 223.4)
-
Step 900
900
#00495D
oklch(37.7% 0.071 223.8)
-
Step 950
950
#002B38
oklch(26.8% 0.05 223.6)
#A4E6FF 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) | #D8E2FF | 0.061 |
| Deuteranopia (no green cones) | #CAD8FF | 0.054 |
| Tritanopia (no blue cones) | #83EEEE | 0.049 |
| Achromatopsia (no color) | #DCDCDC | 0.075 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4E6FF
#A4E6FF
oklch(88.9% 0.075 223.5)
- #FFCEBA
#FFCEBA
oklch(88.9% 0.062 43.3)
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 #A4E6FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.036
- Pale Turquoise #AFEEEE ΔE 0.039
- Diamond #B9F2FF ΔE 0.042
- Light Blue #ADD8E6 ΔE 0.042
- Celeste #A8DADC ΔE 0.049
- Robin's Egg #6DEDFD ΔE 0.050
Use #A4E6FF 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.