#A4E1D1
Closest named color: Celeste (#A8DADC). oklch(86.4% 0.066 176.6), rgb(164, 225, 209).
Aa
Black text reads best on this color (14.26:1).
About this color
#A4E1D1 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.066 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.029 away. Black text reads best on it, at 14.26:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.066) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.26:1 |
| White text | 1.47:1 |
Values
| HEX | #A4E1D1 |
| RGB | rgb(164, 225, 209) |
| HSL | hsl(164, 50%, 76%) |
| OKLCH | oklch(86.4% 0.066 176.6) |
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 #A4E1D1 | 1.47:1 | Fails | Lc -25.3 | Dividers and decoration only |
| Black text on #A4E1D1 | 14.26:1 | AAA | Lc 81.5 | Fine for body text |
| #A4E1D1 text on white | 1.47:1 | Fails | Lc 22.3 | Dividers and decoration only |
| #A4E1D1 text on black | 14.26:1 | AAA | Lc -81.0 | 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
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#DAF0E9
oklch(93.7% 0.025 174.7)
-
Step 200
200 (this color)
#A4E1D1
oklch(86.4% 0.066 176.6)
-
Step 300
300
#82D3BF
oklch(80.9% 0.085 176.5)
-
Step 400
400
#00BB9E
oklch(70.8% 0.132 176.2)
-
Step 500
500
#00A088
oklch(63.1% 0.117 177)
-
Step 600
600
#008772
oklch(55.7% 0.104 176.6)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4E
oklch(42.8% 0.079 176.7)
-
Step 900
900
#004D41
oklch(37.6% 0.069 177.7)
-
Step 950
950
#002E26
oklch(26.9% 0.05 177.5)
#A4E1D1 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) | #DCDAD0 | 0.069 |
| Deuteranopia (no green cones) | #D1D1D2 | 0.066 |
| Tritanopia (no blue cones) | #94E3DC | 0.020 |
| Achromatopsia (no color) | #D5D5D5 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4E1D1
#A4E1D1
oklch(86.4% 0.066 176.6)
- #F7C1D3
#F7C1D3
oklch(86.4% 0.066 356.7)
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 #A4E1D1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.029
- Light Teal #90E4C1 ΔE 0.035
- Powder Blue #B0E0E6 ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.048
- Tiffany Blue #94D2BD ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.055
- Tea Green #CAE7B9 ΔE 0.058
Use #A4E1D1 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.