#A4F2FD
Closest named color: Robin's Egg Blue (#98EFF9). oklch(91.4% 0.078 207), rgb(164, 242, 253).
Aa
Black text reads best on this color (16.69:1).
About this color
#A4F2FD is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.078 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.016 away. Black text reads best on it, at 16.69:1.
| 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 | 16.69:1 |
| White text | 1.25:1 |
Values
| HEX | #A4F2FD |
| RGB | rgb(164, 242, 253) |
| HSL | hsl(187, 96%, 82%) |
| OKLCH | oklch(91.4% 0.078 207) |
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 #A4F2FD | 1.25:1 | Fails | Lc -14.7 | Not readable |
| Black text on #A4F2FD | 16.69:1 | AAA | Lc 90.9 | Preferred for body text |
| #A4F2FD text on white | 1.25:1 | Fails | Lc 12.7 | Not readable |
| #A4F2FD text on black | 16.69:1 | AAA | Lc -91.2 | 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)
#A4F2FD
oklch(91.4% 0.078 207)
-
Step 200
200
#AFE4EC
oklch(88.5% 0.055 207.7)
-
Step 300
300
#69D3E1
oklch(80.9% 0.1 206.8)
-
Step 400
400
#00B5C7
oklch(70.7% 0.121 207.4)
-
Step 500
500
#009BAB
oklch(63% 0.108 207.7)
-
Step 600
600
#008390
oklch(55.7% 0.096 207)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#A4F2FD 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) | #E6ECFE | 0.076 |
| Deuteranopia (no green cones) | #D7E0FD | 0.071 |
| Tritanopia (no blue cones) | #82F8F5 | 0.037 |
| Achromatopsia (no color) | #E5E5E5 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4F2FD
#A4F2FD
oklch(91.4% 0.078 207)
- #FFD8D3
#FFD8D3
oklch(91.4% 0.044 26.6)
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 #A4F2FD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.016
- Pale Turquoise #AFEEEE ΔE 0.021
- Diamond #B9F2FF ΔE 0.023
- Robin Egg Blue #8AF1FE ΔE 0.025
- Pale Sky Blue #BDF6FE ΔE 0.030
- Pale Cyan #B7FFFA ΔE 0.043
- Duck Egg Blue #C3FBF4 ΔE 0.046
- Powder Blue #B0E0E6 ΔE 0.048
Use #A4F2FD 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.