#A3EFE9
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.1% 0.075 189.7), rgb(163, 239, 233).
Aa
Black text reads best on this color (16.08:1).
About this color
#A3EFE9 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.075 and its hue 190°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.016 away. Black text reads best on it, at 16.08:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.08:1 |
| White text | 1.30:1 |
Values
| HEX | #A3EFE9 |
| RGB | rgb(163, 239, 233) |
| HSL | hsl(175, 70%, 79%) |
| OKLCH | oklch(90.1% 0.075 189.7) |
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 #A3EFE9 | 1.30:1 | Fails | Lc -17.3 | Dividers and decoration only |
| Black text on #A3EFE9 | 16.08:1 | AAA | Lc 88.6 | Fine for body text |
| #A3EFE9 text on white | 1.30:1 | Fails | Lc 15.1 | Dividers and decoration only |
| #A3EFE9 text on black | 16.08:1 | AAA | Lc -88.7 | 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
#ECF8F7
oklch(97% 0.013 191)
-
Step 100
100
#D6F0EE
oklch(93.6% 0.027 191.1)
-
Step 200
200 (this color)
#A3EFE9
oklch(90.1% 0.075 189.7)
-
Step 300
300
#6ED5CE
oklch(80.9% 0.097 189.6)
-
Step 400
400
#00B8B1
oklch(70.6% 0.122 190)
-
Step 500
500
#009E98
oklch(63.1% 0.109 190)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706B
oklch(49.2% 0.085 189.4)
-
Step 800
800
#005C58
oklch(42.8% 0.074 189.6)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#A3EFE9 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) | #E7E7E9 | 0.081 |
| Deuteranopia (no green cones) | #D9DDEA | 0.075 |
| Tritanopia (no blue cones) | #88F3ED | 0.025 |
| Achromatopsia (no color) | #E1E1E1 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3EFE9
#A3EFE9
oklch(90.1% 0.075 189.7)
- #FFD1D6
#FFD1D6
oklch(90.2% 0.052 10.8)
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 #A3EFE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.016
- Robin's Egg Blue #98EFF9 ΔE 0.023
- Robin Egg Blue #8AF1FE ΔE 0.033
- Powder Blue #B0E0E6 ΔE 0.040
- Diamond #B9F2FF ΔE 0.040
- Pale Sky Blue #BDF6FE ΔE 0.044
- Pale Aqua #B8FFEB ΔE 0.050
- Duck Egg Blue #C3FBF4 ΔE 0.050
Use #A3EFE9 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.