#A3DACC
Closest named color: Celeste (#A8DADC). oklch(84.6% 0.06 177.4), rgb(163, 218, 204).
Aa
Black text reads best on this color (13.45:1).
About this color
#A3DACC is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.060 and its hue 177°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.024 away. Black text reads best on it, at 13.45:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.060) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.45:1 |
| White text | 1.56:1 |
Values
| HEX | #A3DACC |
| RGB | rgb(163, 218, 204) |
| HSL | hsl(165, 43%, 75%) |
| OKLCH | oklch(84.6% 0.06 177.4) |
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 #A3DACC | 1.56:1 | Fails | Lc -29.0 | Dividers and decoration only |
| Black text on #A3DACC | 13.45:1 | AAA | Lc 78.1 | Fine for body text |
| #A3DACC text on white | 1.56:1 | Fails | Lc 25.6 | Dividers and decoration only |
| #A3DACC text on black | 13.45:1 | AAA | Lc -77.4 | 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 300.
-
Step 50
50
#F0F7F5
oklch(97% 0.008 177.3)
-
Step 100
100
#DEEEEA
oklch(93.6% 0.018 179.3)
-
Step 200
200
#C3E1D9
oklch(88.6% 0.033 177.7)
-
Step 300
300 (this color)
#A3DACC
oklch(84.6% 0.06 177.4)
-
Step 400
400
#55B4A0
oklch(70.7% 0.095 177.7)
-
Step 500
500
#00A089
oklch(63.1% 0.116 177.6)
-
Step 600
600
#008673
oklch(55.5% 0.102 178.1)
-
Step 700
700
#007160
oklch(49.1% 0.091 177.4)
-
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)
#A3DACC 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) | #D6D3CB | 0.064 |
| Deuteranopia (no green cones) | #CBCCCD | 0.059 |
| Tritanopia (no blue cones) | #94DCD6 | 0.019 |
| Achromatopsia (no color) | #CFCFCF | 0.060 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DACC
#A3DACC
oklch(84.6% 0.06 177.4)
- #EEBDCD
#EEBDCD
oklch(84.6% 0.06 357)
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 #A3DACC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.024
- Tiffany Blue #94D2BD ΔE 0.033
- Light Teal #90E4C1 ΔE 0.040
- Powder Blue #B0E0E6 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.042
- Ash Gray #BFC8AD ΔE 0.057
- Cadet Gray #CED4DA ΔE 0.061
- Seafoam Blue #78D1B6 ΔE 0.061
Use #A3DACC 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.