#A3DDCC
Closest named color: Celeste (#A8DADC). oklch(85.3% 0.064 174.7), rgb(163, 221, 204).
Aa
Black text reads best on this color (13.77:1).
About this color
#A3DDCC is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.064 and its hue 175°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.027 away. Black text reads best on it, at 13.77:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.064) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.77:1 |
| White text | 1.52:1 |
Values
| HEX | #A3DDCC |
| RGB | rgb(163, 221, 204) |
| HSL | hsl(162, 46%, 75%) |
| OKLCH | oklch(85.3% 0.064 174.7) |
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 #A3DDCC | 1.52:1 | Fails | Lc -27.6 | Dividers and decoration only |
| Black text on #A3DDCC | 13.77:1 | AAA | Lc 79.4 | Fine for body text |
| #A3DDCC text on white | 1.52:1 | Fails | Lc 24.3 | Dividers and decoration only |
| #A3DDCC text on black | 13.77:1 | AAA | Lc -78.8 | 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
#DAEFE9
oklch(93.5% 0.024 176.8)
-
Step 200
200 (this color)
#A3DDCC
oklch(85.3% 0.064 174.7)
-
Step 300
300
#86D2BD
oklch(80.8% 0.082 174.8)
-
Step 400
400
#10BB9B
oklch(70.8% 0.132 174.3)
-
Step 500
500
#00A085
oklch(63% 0.119 175)
-
Step 600
600
#00876F
oklch(55.6% 0.106 174.3)
-
Step 700
700
#00715D
oklch(49% 0.093 174.7)
-
Step 800
800
#005D4C
oklch(42.7% 0.081 174.6)
-
Step 900
900
#004E3F
oklch(37.8% 0.072 174.1)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#A3DDCC 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) | #D9D6CB | 0.067 |
| Deuteranopia (no green cones) | #CECECD | 0.063 |
| Tritanopia (no blue cones) | #94DED8 | 0.020 |
| Achromatopsia (no color) | #D1D1D1 | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DDCC
#A3DDCC
oklch(85.3% 0.064 174.7)
- #F2BED1
#F2BED1
oklch(85.3% 0.064 354.7)
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 #A3DDCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.027
- Light Teal #90E4C1 ΔE 0.034
- Tiffany Blue #94D2BD ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.045
- Hospital Green #9BE5AA ΔE 0.059
- Pale Turquoise #AFEEEE ΔE 0.059
- Ash Gray #BFC8AD ΔE 0.061
Use #A3DDCC 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.