#A1DDD2
Closest named color: Celeste (#A8DADC). oklch(85.4% 0.063 182.2), rgb(161, 221, 210).
Aa
Black text reads best on this color (13.78:1).
About this color
#A1DDD2 is a light, muted teal or cyan. In OKLCH its lightness is 85%, its chroma 0.063 and its hue 182°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.020 away. Black text reads best on it, at 13.78:1.
| Hue family | Teals and cyans |
| Lightness | light (85%) |
| Chroma | muted (0.063) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.78:1 |
| White text | 1.52:1 |
Values
| HEX | #A1DDD2 |
| RGB | rgb(161, 221, 210) |
| HSL | hsl(169, 47%, 75%) |
| OKLCH | oklch(85.4% 0.063 182.2) |
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 #A1DDD2 | 1.52:1 | Fails | Lc -27.5 | Dividers and decoration only |
| Black text on #A1DDD2 | 13.78:1 | AAA | Lc 79.5 | Fine for body text |
| #A1DDD2 text on white | 1.52:1 | Fails | Lc 24.2 | Dividers and decoration only |
| #A1DDD2 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
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#DAEFEB
oklch(93.6% 0.023 183.2)
-
Step 200
200 (this color)
#A1DDD2
oklch(85.4% 0.063 182.2)
-
Step 300
300
#83D2C5
oklch(80.9% 0.08 182.7)
-
Step 400
400
#00BAA7
oklch(70.8% 0.127 182.2)
-
Step 500
500
#009F8F
oklch(63.1% 0.113 182.5)
-
Step 600
600
#008678
oklch(55.6% 0.1 182.2)
-
Step 700
700
#007165
oklch(49.2% 0.088 182.2)
-
Step 800
800
#005C52
oklch(42.6% 0.076 182.2)
-
Step 900
900
#004D44
oklch(37.7% 0.068 181.7)
-
Step 950
950
#002E28
oklch(27% 0.049 181.5)
#A1DDD2 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) | #D8D6D2 | 0.068 |
| Deuteranopia (no green cones) | #CCCED3 | 0.063 |
| Tritanopia (no blue cones) | #8FDFD9 | 0.019 |
| Achromatopsia (no color) | #D1D1D1 | 0.063 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A1DDD2
#A1DDD2
oklch(85.4% 0.063 182.2)
- #F3BECB
#F3BECB
oklch(85.2% 0.063 2.2)
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 #A1DDD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.034
- Light Blue #ADD8E6 ΔE 0.038
- Light Teal #90E4C1 ΔE 0.040
- Tiffany Blue #94D2BD ΔE 0.041
- Pale Turquoise #AFEEEE ΔE 0.055
- Robin's Egg Blue #98EFF9 ΔE 0.059
- Cadet Gray #CED4DA ΔE 0.061
Use #A1DDD2 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.