#A4E5FE
Closest named color: Robin's Egg Blue (#98EFF9). oklch(88.7% 0.074 223.8), rgb(164, 229, 254).
Aa
Black text reads best on this color (15.21:1).
About this color
#A4E5FE is a light, moderately saturated teal or cyan. In OKLCH its lightness is 89%, its chroma 0.074 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 0.031 away. Black text reads best on it, at 15.21:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | moderately saturated (0.074) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.21:1 |
| White text | 1.38:1 |
Values
| HEX | #A4E5FE |
| RGB | rgb(164, 229, 254) |
| HSL | hsl(197, 98%, 82%) |
| OKLCH | oklch(88.7% 0.074 223.8) |
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 #A4E5FE | 1.38:1 | Fails | Lc -21.1 | Dividers and decoration only |
| Black text on #A4E5FE | 15.21:1 | AAA | Lc 85.2 | Fine for body text |
| #A4E5FE text on white | 1.38:1 | Fails | Lc 18.4 | Dividers and decoration only |
| #A4E5FE text on black | 15.21:1 | AAA | Lc -85.1 | 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
#EDF8FC
oklch(97.2% 0.013 221.4)
-
Step 100
100
#D7EEF8
oklch(93.5% 0.028 225.7)
-
Step 200
200 (this color)
#A4E5FE
oklch(88.7% 0.074 223.8)
-
Step 300
300
#78CEEE
oklch(80.9% 0.095 224.2)
-
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
#002B39
oklch(26.9% 0.051 225.5)
#A4E5FE 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) | #D7E2FF | 0.060 |
| Deuteranopia (no green cones) | #C9D7FE | 0.053 |
| Tritanopia (no blue cones) | #83EDED | 0.049 |
| Achromatopsia (no color) | #DBDBDB | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4E5FE
#A4E5FE
oklch(88.7% 0.074 223.8)
- #FFCDB8
#FFCDB8
oklch(88.7% 0.064 43.9)
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 #A4E5FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.031
- Powder Blue #B0E0E6 ΔE 0.033
- Robin Egg Blue #8AF1FE ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.040
- Diamond #B9F2FF ΔE 0.044
- Celeste #A8DADC ΔE 0.047
- Robin's Egg #6DEDFD ΔE 0.050
Use #A4E5FE 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.