#A4EFE5
Closest named color: Pale Turquoise (#AFEEEE). oklch(90% 0.075 185.5), rgb(164, 239, 229).
Aa
Black text reads best on this color (16.05:1).
About this color
#A4EFE5 is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.075 and its hue 186°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.019 away. Black text reads best on it, at 16.05:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.075) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.05:1 |
| White text | 1.30:1 |
Values
| HEX | #A4EFE5 |
| RGB | rgb(164, 239, 229) |
| HSL | hsl(172, 70%, 79%) |
| OKLCH | oklch(90% 0.075 185.5) |
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 #A4EFE5 | 1.30:1 | Fails | Lc -17.4 | Dividers and decoration only |
| Black text on #A4EFE5 | 16.05:1 | AAA | Lc 88.5 | Fine for body text |
| #A4EFE5 text on white | 1.30:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #A4EFE5 text on black | 16.05:1 | AAA | Lc -88.6 | 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
#D6F0EC
oklch(93.5% 0.028 185.6)
-
Step 200
200 (this color)
#A4EFE5
oklch(90% 0.075 185.5)
-
Step 300
300
#70D5C9
oklch(80.9% 0.097 185.4)
-
Step 400
400
#00B9AB
oklch(70.7% 0.124 185.3)
-
Step 500
500
#009F93
oklch(63.2% 0.111 185.4)
-
Step 600
600
#00857B
oklch(55.5% 0.097 185.6)
-
Step 700
700
#007068
oklch(49.1% 0.086 186.2)
-
Step 800
800
#005C55
oklch(42.7% 0.075 185.9)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#A4EFE5 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) | #E8E7E5 | 0.081 |
| Deuteranopia (no green cones) | #DADDE6 | 0.076 |
| Tritanopia (no blue cones) | #8BF2EC | 0.023 |
| Achromatopsia (no color) | #E1E1E1 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4EFE5
#A4EFE5
oklch(90% 0.075 185.5)
- #FFD0D9
#FFD0D9
oklch(90.1% 0.054 5.3)
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 #A4EFE5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.019
- Robin's Egg Blue #98EFF9 ΔE 0.029
- Robin Egg Blue #8AF1FE ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.042
- Diamond #B9F2FF ΔE 0.044
- Pale Sky Blue #BDF6FE ΔE 0.047
- Pale Aqua #B8FFEB ΔE 0.049
- Duck Egg Blue #C3FBF4 ΔE 0.051
Use #A4EFE5 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.