#A4DDCB
Closest named color: Celeste (#A8DADC). oklch(85.3% 0.064 173.3), rgb(164, 221, 203).
Aa
Black text reads best on this color (13.78:1).
About this color
#A4DDCB is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.064 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.028 away. Black text reads best on it, at 13.78:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.78:1 |
| White text | 1.52:1 |
Values
| HEX | #A4DDCB |
| RGB | rgb(164, 221, 203) |
| HSL | hsl(161, 46%, 75%) |
| OKLCH | oklch(85.3% 0.064 173.3) |
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 #A4DDCB | 1.52:1 | Fails | Lc -27.5 | Dividers and decoration only |
| Black text on #A4DDCB | 13.78:1 | AAA | Lc 79.5 | Fine for body text |
| #A4DDCB text on white | 1.52:1 | Fails | Lc 24.3 | Dividers and decoration only |
| #A4DDCB text on black | 13.78:1 | AAA | Lc -78.9 | 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
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#DBEFE8
oklch(93.5% 0.023 172.8)
-
Step 200
200 (this color)
#A4DDCB
oklch(85.3% 0.064 173.3)
-
Step 300
300
#87D2BC
oklch(80.8% 0.081 173.7)
-
Step 400
400
#1BBA99
oklch(70.6% 0.131 173.4)
-
Step 500
500
#00A183
oklch(63.2% 0.121 173.2)
-
Step 600
600
#00876E
oklch(55.6% 0.106 173.6)
-
Step 700
700
#00725C
oklch(49.2% 0.094 173.1)
-
Step 800
800
#005D4B
oklch(42.7% 0.081 173.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#A4DDCB 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) | #D9D6CA | 0.066 |
| Deuteranopia (no green cones) | #CFCECC | 0.064 |
| Tritanopia (no blue cones) | #96DED8 | 0.021 |
| Achromatopsia (no color) | #D1D1D1 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DDCB
#A4DDCB
oklch(85.3% 0.064 173.3)
- #F1BED2
#F1BED2
oklch(85.2% 0.064 353.1)
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 #A4DDCB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.028
- Light Teal #90E4C1 ΔE 0.034
- Tiffany Blue #94D2BD ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.046
- Hospital Green #9BE5AA ΔE 0.058
- Pale Turquoise #AFEEEE ΔE 0.059
- Ash Gray #BFC8AD ΔE 0.061
Use #A4DDCB 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.