#A3DDCB
Closest named color: Celeste (#A8DADC). oklch(85.3% 0.065 173.6), rgb(163, 221, 203).
Aa
Black text reads best on this color (13.76:1).
About this color
#A3DDCB is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.065 and its hue 174°. 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 13.76:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.76:1 |
| White text | 1.52:1 |
Values
| HEX | #A3DDCB |
| RGB | rgb(163, 221, 203) |
| HSL | hsl(161, 46%, 75%) |
| OKLCH | oklch(85.3% 0.065 173.6) |
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 #A3DDCB | 1.52:1 | Fails | Lc -27.6 | Dividers and decoration only |
| Black text on #A3DDCB | 13.76:1 | AAA | Lc 79.4 | Fine for body text |
| #A3DDCB text on white | 1.52:1 | Fails | Lc 24.4 | Dividers and decoration only |
| #A3DDCB text on black | 13.76:1 | 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
#DBEFE8
oklch(93.5% 0.023 172.8)
-
Step 200
200 (this color)
#A3DDCB
oklch(85.3% 0.065 173.6)
-
Step 300
300
#86D3BC
oklch(81% 0.084 173.2)
-
Step 400
400
#11BB9A
oklch(70.8% 0.133 173.7)
-
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)
#A3DDCB 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 | 0.067 |
| Deuteranopia (no green cones) | #CFCECC | 0.065 |
| Tritanopia (no blue cones) | #94DED8 | 0.021 |
| Achromatopsia (no color) | #D1D1D1 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DDCB
#A3DDCB
oklch(85.3% 0.065 173.6)
- #F2BED2
#F2BED2
oklch(85.3% 0.065 353.6)
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 #A3DDCB, 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 0.033
- Tiffany Blue #94D2BD ΔE 0.038
- Powder Blue #B0E0E6 ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.047
- Hospital Green #9BE5AA ΔE 0.057
- Pale Turquoise #AFEEEE ΔE 0.060
- Ash Gray #BFC8AD ΔE 0.061
Use #A3DDCB 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.