#A4F3EF
Closest named color: Pale Turquoise (#AFEEEE). oklch(91.2% 0.078 191.9), rgb(164, 243, 239).
Aa
Black text reads best on this color (16.64:1).
About this color
#A4F3EF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.078 and its hue 192°. 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 16.64:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.078) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.64:1 |
| White text | 1.26:1 |
Values
| HEX | #A4F3EF |
| RGB | rgb(164, 243, 239) |
| HSL | hsl(177, 77%, 80%) |
| OKLCH | oklch(91.2% 0.078 191.9) |
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 #A4F3EF | 1.26:1 | Fails | Lc -14.9 | Not readable |
| Black text on #A4F3EF | 16.64:1 | AAA | Lc 90.7 | Preferred for body text |
| #A4F3EF text on white | 1.26:1 | Fails | Lc 12.9 | Not readable |
| #A4F3EF text on black | 16.64:1 | AAA | Lc -91.0 | 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
#ECF8F8
oklch(97% 0.013 196.9)
-
Step 100
100 (this color)
#A4F3EF
oklch(91.2% 0.078 191.9)
-
Step 200
200
#AFE5E2
oklch(88.4% 0.055 191.9)
-
Step 300
300
#6AD5D1
oklch(80.9% 0.099 192.1)
-
Step 400
400
#00B8B4
oklch(70.7% 0.121 192)
-
Step 500
500
#009E9A
oklch(63.2% 0.109 191.6)
-
Step 600
600
#008581
oklch(55.7% 0.096 191.1)
-
Step 700
700
#00706D
oklch(49.2% 0.085 191.5)
-
Step 800
800
#005B59
oklch(42.6% 0.073 192.2)
-
Step 900
900
#004C4A
oklch(37.6% 0.065 191.7)
-
Step 950
950
#002D2C
oklch(26.9% 0.046 192.5)
#A4F3EF 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) | #EAEBEF | 0.082 |
| Deuteranopia (no green cones) | #DBE0F0 | 0.077 |
| Tritanopia (no blue cones) | #87F7F1 | 0.026 |
| Achromatopsia (no color) | #E5E5E5 | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4F3EF
#A4F3EF
oklch(91.2% 0.078 191.9)
- #FFD6DA
#FFD6DA
oklch(91.2% 0.046 11.4)
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 #A4F3EF, 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 0.032
- Diamond #B9F2FF ΔE 0.034
- Pale Sky Blue #BDF6FE ΔE 0.036
- Pale Cyan #B7FFFA ΔE 0.040
- Duck Egg Blue #C3FBF4 ΔE 0.042
- Pale Aqua #B8FFEB ΔE 0.042
Use #A4F3EF 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.