#A3DAD1
Closest named color: Celeste (#A8DADC). oklch(84.8% 0.058 183.8), rgb(163, 218, 209).
Aa
Black text reads best on this color (13.50:1).
About this color
#A3DAD1 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.058 and its hue 184°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.017 away. Black text reads best on it, at 13.50:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.50:1 |
| White text | 1.55:1 |
Values
| HEX | #A3DAD1 |
| RGB | rgb(163, 218, 209) |
| HSL | hsl(170, 43%, 75%) |
| OKLCH | oklch(84.8% 0.058 183.8) |
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 #A3DAD1 | 1.55:1 | Fails | Lc -28.8 | Dividers and decoration only |
| Black text on #A3DAD1 | 13.50:1 | AAA | Lc 78.3 | Fine for body text |
| #A3DAD1 text on white | 1.55:1 | Fails | Lc 25.4 | Dividers and decoration only |
| #A3DAD1 text on black | 13.50:1 | AAA | Lc -77.7 | 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
#EFF8F6
oklch(97.2% 0.01 181.4)
-
Step 100
100
#DBEFEB
oklch(93.6% 0.022 182.5)
-
Step 200
200 (this color)
#A3DAD1
oklch(84.8% 0.058 183.8)
-
Step 300
300
#88D1C6
oklch(81% 0.075 183.9)
-
Step 400
400
#23B8A9
oklch(70.6% 0.119 184.3)
-
Step 500
500
#009F91
oklch(63.1% 0.112 184)
-
Step 600
600
#008679
oklch(55.7% 0.099 183.1)
-
Step 700
700
#007066
oklch(49% 0.087 184.2)
-
Step 800
800
#005C53
oklch(42.6% 0.076 183.4)
-
Step 900
900
#004D45
oklch(37.7% 0.067 183.1)
-
Step 950
950
#002E29
oklch(27.1% 0.048 183.6)
#A3DAD1 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) | #D5D4D1 | 0.062 |
| Deuteranopia (no green cones) | #CACCD2 | 0.058 |
| Tritanopia (no blue cones) | #93DCD7 | 0.017 |
| Achromatopsia (no color) | #CFCFCF | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A3DAD1
#A3DAD1
oklch(84.8% 0.058 183.8)
- #EFBEC9
#EFBEC9
oklch(84.8% 0.058 3.4)
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 #A3DAD1, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.017
- Powder Blue #B0E0E6 ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.035
- Tiffany Blue #94D2BD ΔE 0.037
- Light Teal #90E4C1 ΔE 0.045
- Cadet Gray #CED4DA ΔE 0.057
- Ash Gray #BFC8AD ΔE 0.060
- Pale Turquoise #AFEEEE ΔE 0.061
Use #A3DAD1 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.