#A4E1D8
Closest named color: Celeste (#A8DADC). oklch(86.6% 0.063 184.8), rgb(164, 225, 216).
Aa
Black text reads best on this color (14.34:1).
About this color
#A4E1D8 is a light, muted teal or cyan. In OKLCH its lightness is 87%, its chroma 0.063 and its hue 185°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.022 away. Black text reads best on it, at 14.34:1.
| Hue family | Teals and cyans |
| Lightness | light (87%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.34:1 |
| White text | 1.46:1 |
Values
| HEX | #A4E1D8 |
| RGB | rgb(164, 225, 216) |
| HSL | hsl(171, 50%, 76%) |
| OKLCH | oklch(86.6% 0.063 184.8) |
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 #A4E1D8 | 1.46:1 | Fails | Lc -25.0 | Dividers and decoration only |
| Black text on #A4E1D8 | 14.34:1 | AAA | Lc 81.7 | Fine for body text |
| #A4E1D8 text on white | 1.46:1 | Fails | Lc 22.0 | Dividers and decoration only |
| #A4E1D8 text on black | 14.34:1 | AAA | Lc -81.3 | 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
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#D9EFEC
oklch(93.5% 0.024 186.9)
-
Step 200
200 (this color)
#A4E1D8
oklch(86.6% 0.063 184.8)
-
Step 300
300
#81D2C7
oklch(80.9% 0.081 184.8)
-
Step 400
400
#00B9AA
oklch(70.6% 0.125 184.7)
-
Step 500
500
#009F92
oklch(63.2% 0.111 184.7)
-
Step 600
600
#00867B
oklch(55.7% 0.098 184.8)
-
Step 700
700
#007067
oklch(49% 0.086 185.2)
-
Step 800
800
#005C54
oklch(42.7% 0.075 184.7)
-
Step 900
900
#004D46
oklch(37.8% 0.067 184.5)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#A4E1D8 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) | #DBDAD8 | 0.068 |
| Deuteranopia (no green cones) | #D0D2D9 | 0.064 |
| Tritanopia (no blue cones) | #92E4DE | 0.019 |
| Achromatopsia (no color) | #D5D5D5 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4E1D8
#A4E1D8
oklch(86.6% 0.063 184.8)
- #F8C2CD
#F8C2CD
oklch(86.5% 0.063 4.9)
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 #A4E1D8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.022
- Powder Blue #B0E0E6 ΔE 0.026
- Light Blue #ADD8E6 ΔE 0.037
- Pale Turquoise #AFEEEE ΔE 0.043
- Light Teal #90E4C1 ΔE 0.043
- Robin's Egg Blue #98EFF9 ΔE 0.048
- Tiffany Blue #94D2BD ΔE 0.053
- Robin Egg Blue #8AF1FE ΔE 0.057
Use #A4E1D8 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.