#A9DDD2
Closest named color: Celeste (#A8DADC). oklch(85.8% 0.056 180.5), rgb(169, 221, 210).
Aa
Black text reads best on this color (13.96:1).
About this color
#A9DDD2 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.056 and its hue 180°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.018 away. Black text reads best on it, at 13.96:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.056) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.96:1 |
| White text | 1.50:1 |
Values
| HEX | #A9DDD2 |
| RGB | rgb(169, 221, 210) |
| HSL | hsl(167, 43%, 76%) |
| OKLCH | oklch(85.8% 0.056 180.5) |
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 #A9DDD2 | 1.50:1 | Fails | Lc -26.7 | Dividers and decoration only |
| Black text on #A9DDD2 | 13.96:1 | AAA | Lc 80.2 | Fine for body text |
| #A9DDD2 text on white | 1.50:1 | Fails | Lc 23.6 | Dividers and decoration only |
| #A9DDD2 text on black | 13.96:1 | AAA | Lc -79.6 | 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
#DCEFEA
oklch(93.7% 0.021 178.3)
-
Step 200
200 (this color)
#A9DDD2
oklch(85.8% 0.056 180.5)
-
Step 300
300
#8CD0C3
oklch(80.8% 0.071 181.1)
-
Step 400
400
#34B8A4
oklch(70.8% 0.115 180.4)
-
Step 500
500
#009F8D
oklch(63% 0.114 181)
-
Step 600
600
#008676
oklch(55.6% 0.1 180.5)
-
Step 700
700
#007163
oklch(49.2% 0.089 180.3)
-
Step 800
800
#005C51
oklch(42.6% 0.077 181.1)
-
Step 900
900
#004D43
oklch(37.7% 0.068 180.3)
-
Step 950
950
#002E27
oklch(27% 0.049 179.5)
#A9DDD2 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) | #D8D7D2 | 0.059 |
| Deuteranopia (no green cones) | #CFD0D3 | 0.056 |
| Tritanopia (no blue cones) | #9BDFDA | 0.017 |
| Achromatopsia (no color) | #D3D3D3 | 0.056 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DDD2
#A9DDD2
oklch(85.8% 0.056 180.5)
- #F1C2CE
#F1C2CE
oklch(85.9% 0.056 1.3)
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 #A9DDD2, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.018
- Powder Blue #B0E0E6 ΔE 0.029
- Light Blue #ADD8E6 ΔE 0.036
- Light Teal #90E4C1 ΔE 0.045
- Tiffany Blue #94D2BD ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.053
- Light Gray #D3D3D3 ΔE 0.056
Use #A9DDD2 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.