#A3F9DE
Closest named color: Light Aqua (#8CFFDB). oklch(92% 0.092 172.4), rgb(163, 249, 222).
Aa
Black text reads best on this color (17.16:1).
About this color
#A3F9DE is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 92%, its chroma 0.092 and its hue 172°. Its hue sits on the cool side of the wheel. The nearest named color is Light Aqua (#8CFFDB), ΔE 0.026 away. Black text reads best on it, at 17.16:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | moderately saturated (0.092) |
| Temperature | cool |
| Nearest name | Light Aqua (#8CFFDB) |
| Black text | 17.16:1 |
| White text | 1.22:1 |
Values
| HEX | #A3F9DE |
| RGB | rgb(163, 249, 222) |
| HSL | hsl(161, 88%, 81%) |
| OKLCH | oklch(92% 0.092 172.4) |
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 #A3F9DE | 1.22:1 | Fails | Lc -12.7 | Not readable |
| Black text on #A3F9DE | 17.16:1 | AAA | Lc 92.6 | Preferred for body text |
| #A3F9DE text on white | 1.22:1 | Fails | Lc 10.9 | Not readable |
| #A3F9DE text on black | 17.16:1 | AAA | Lc -93.1 | 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
#ECF9F4
oklch(97.1% 0.015 171.1)
-
Step 100
100 (this color)
#A3F9DE
oklch(92% 0.092 172.4)
-
Step 200
200
#ADE8D4
oklch(88.5% 0.066 171.8)
-
Step 300
300
#63D9B8
oklch(80.8% 0.118 172.3)
-
Step 400
400
#00BB97
oklch(70.6% 0.136 172.4)
-
Step 500
500
#00A181
oklch(63.2% 0.122 172)
-
Step 600
600
#00876C
oklch(55.5% 0.108 172.1)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3D
oklch(37.8% 0.073 171.8)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#A3F9DE 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) | #F4EFDD | 0.095 |
| Deuteranopia (no green cones) | #E5E4E0 | 0.091 |
| Tritanopia (no blue cones) | #8BFBF1 | 0.029 |
| Achromatopsia (no color) | #E8E8E8 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3F9DE
#A3F9DE
oklch(92% 0.092 172.4)
- #FFD8E8
#FFD8E8
oklch(92% 0.048 351.5)
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 #A3F9DE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Light Aqua #8CFFDB ΔE 0.026
- Pale Aqua #B8FFEB ΔE 0.032
- Aquamarine #7FFFD4 ΔE 0.040
- Pale Turquoise #AFEEEE ΔE 0.044
- Light Turquoise #7EF4CC ΔE 0.045
- Pale Cyan #B7FFFA ΔE 0.045
- Light Seafoam #A0FEBF ΔE 0.048
- Duck Egg Blue #C3FBF4 ΔE 0.048
Use #A3F9DE 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.