#A4F2FF
Closest named color: Robin's Egg Blue (#98EFF9). oklch(91.5% 0.078 209), rgb(164, 242, 255).
Aa
Black text reads best on this color (16.72:1).
About this color
#A4F2FF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.078 and its hue 209°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.017 away. Black text reads best on it, at 16.72:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 16.72:1 |
| White text | 1.25:1 |
Values
| HEX | #A4F2FF |
| RGB | rgb(164, 242, 255) |
| HSL | hsl(189, 100%, 82%) |
| OKLCH | oklch(91.5% 0.078 209) |
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 #A4F2FF | 1.25:1 | Fails | Lc -14.6 | Not readable |
| Black text on #A4F2FF | 16.72:1 | AAA | Lc 91.0 | Preferred for body text |
| #A4F2FF text on white | 1.25:1 | Fails | Lc 12.6 | Not readable |
| #A4F2FF text on black | 16.72:1 | AAA | Lc -91.3 | 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 100.
-
Step 50
50
#ECF8FA
oklch(97.1% 0.013 208.8)
-
Step 100
100 (this color)
#A4F2FF
oklch(91.5% 0.078 209)
-
Step 200
200
#AFE4ED
oklch(88.5% 0.056 209.1)
-
Step 300
300
#68D3E3
oklch(80.9% 0.101 208.3)
-
Step 400
400
#00B5C9
oklch(70.8% 0.122 208.7)
-
Step 500
500
#009BAD
oklch(63.1% 0.109 209.2)
-
Step 600
600
#008291
oklch(55.5% 0.096 208.9)
-
Step 700
700
#006D7A
oklch(49% 0.084 209.1)
-
Step 800
800
#005A65
oklch(42.8% 0.074 209.1)
-
Step 900
900
#004B54
oklch(37.8% 0.065 208.5)
-
Step 950
950
#002C33
oklch(26.9% 0.047 211.1)
#A4F2FF 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) | #E5ECFF | 0.075 |
| Deuteranopia (no green cones) | #D6E0FF | 0.070 |
| Tritanopia (no blue cones) | #81F9F6 | 0.040 |
| Achromatopsia (no color) | #E5E5E5 | 0.079 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4F2FF
#A4F2FF
oklch(91.5% 0.078 209)
- #FFD9D2
#FFD9D2
oklch(91.5% 0.044 30.2)
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 #A4F2FF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.017
- Diamond #B9F2FF ΔE 0.022
- Pale Turquoise #AFEEEE ΔE 0.023
- Robin Egg Blue #8AF1FE ΔE 0.025
- Pale Sky Blue #BDF6FE ΔE 0.030
- Pale Cyan #B7FFFA ΔE 0.044
- Duck Egg Blue #C3FBF4 ΔE 0.047
- Powder Blue #B0E0E6 ΔE 0.049
Use #A4F2FF 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.