#A3E9EA
Closest named color: Pale Turquoise (#AFEEEE). oklch(88.8% 0.07 197.1), rgb(163, 233, 234).
Aa
Black text reads best on this color (15.40:1).
About this color
#A3E9EA is a light, muted teal or cyan. In OKLCH its lightness is 89%, its chroma 0.070 and its hue 197°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.020 away. Black text reads best on it, at 15.40:1.
| Hue family | Teals and cyans |
| Lightness | light (89%) |
| Chroma | muted (0.070) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 15.40:1 |
| White text | 1.36:1 |
Values
| HEX | #A3E9EA |
| RGB | rgb(163, 233, 234) |
| HSL | hsl(181, 63%, 78%) |
| OKLCH | oklch(88.8% 0.07 197.1) |
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 #A3E9EA | 1.36:1 | Fails | Lc -20.3 | Dividers and decoration only |
| Black text on #A3E9EA | 15.40:1 | AAA | Lc 85.9 | Fine for body text |
| #A3E9EA text on white | 1.36:1 | Fails | Lc 17.7 | Dividers and decoration only |
| #A3E9EA text on black | 15.40:1 | AAA | Lc -85.9 | 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
#EDF8F8
oklch(97.1% 0.012 197)
-
Step 100
100
#D7F0F0
oklch(93.7% 0.026 196.7)
-
Step 200
200 (this color)
#A3E9EA
oklch(88.8% 0.07 197.1)
-
Step 300
300
#75D3D4
oklch(81% 0.09 196.4)
-
Step 400
400
#00B7BA
oklch(70.7% 0.12 196.9)
-
Step 500
500
#009DA0
oklch(63.1% 0.107 197.2)
-
Step 600
600
#008486
oklch(55.6% 0.095 196.7)
-
Step 700
700
#006F71
oklch(49.1% 0.084 197)
-
Step 800
800
#005B5D
oklch(42.7% 0.073 197.4)
-
Step 900
900
#004C4D
oklch(37.8% 0.064 196.3)
-
Step 950
950
#002D2E
oklch(27% 0.046 197.1)
#A3E9EA 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) | #E0E2EA | 0.073 |
| Deuteranopia (no green cones) | #D3D8EB | 0.069 |
| Tritanopia (no blue cones) | #89EEE9 | 0.027 |
| Achromatopsia (no color) | #DDDDDD | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3E9EA
#A3E9EA
oklch(88.8% 0.07 197.1)
- #FFCBCC
#FFCBCC
oklch(88.8% 0.059 17)
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 #A3E9EA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.020
- Robin's Egg Blue #98EFF9 ΔE 0.022
- Powder Blue #B0E0E6 ΔE 0.025
- Robin Egg Blue #8AF1FE ΔE 0.033
- Celeste #A8DADC ΔE 0.039
- Diamond #B9F2FF ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.044
- Robin's Egg #6DEDFD ΔE 0.048
Use #A3E9EA 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.