#A9D2DA
Closest named color: Celeste (#A8DADC). oklch(83.7% 0.045 210.8), rgb(169, 210, 218).
Aa
Black text reads best on this color (12.91:1).
About this color
#A9D2DA is a light, muted teal or cyan. In OKLCH its lightness is 84%, its chroma 0.045 and its hue 211°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.021 away. Black text reads best on it, at 12.91:1.
| Hue family | Teals and cyans |
| Lightness | light (84%) |
| Chroma | muted (0.045) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.91:1 |
| White text | 1.62:1 |
Values
| HEX | #A9D2DA |
| RGB | rgb(169, 210, 218) |
| HSL | hsl(190, 40%, 76%) |
| OKLCH | oklch(83.7% 0.045 210.8) |
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 #A9D2DA | 1.62:1 | Fails | Lc -31.5 | Non-text elements, placeholder text |
| Black text on #A9D2DA | 12.91:1 | AAA | Lc 75.9 | Fine for body text |
| #A9D2DA text on white | 1.62:1 | Fails | Lc 27.9 | Dividers and decoration only |
| #A9D2DA text on black | 12.91:1 | AAA | Lc -75.0 | Content text, not long reading |
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
#F1F7F8
oklch(97.2% 0.007 208.8)
-
Step 100
100
#E1ECEF
oklch(93.6% 0.012 215.8)
-
Step 200
200
#C7DEE2
oklch(88.5% 0.025 209.3)
-
Step 300
300 (this color)
#A9D2DA
oklch(83.7% 0.045 210.8)
-
Step 400
400
#69ADBA
oklch(70.7% 0.071 211.1)
-
Step 500
500
#3898A8
oklch(63% 0.091 210.5)
-
Step 600
600
#008293
oklch(55.6% 0.096 210.7)
-
Step 700
700
#006D7C
oklch(49% 0.085 211.2)
-
Step 800
800
#005966
oklch(42.6% 0.074 211.8)
-
Step 900
900
#0F4A53
oklch(37.7% 0.059 210.1)
-
Step 950
950
#0C2B31
oklch(26.9% 0.038 212.5)
#A9D2DA 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) | #CBCFDB | 0.043 |
| Deuteranopia (no green cones) | #C2C8DA | 0.039 |
| Tritanopia (no blue cones) | #9AD6D4 | 0.023 |
| Achromatopsia (no color) | #CBCBCB | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9D2DA
#A9D2DA
oklch(83.7% 0.045 210.8)
- #E5C0B8
#E5C0B8
oklch(83.8% 0.044 32.3)
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 #A9D2DA, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.021
- Light Blue #ADD8E6 ΔE 0.021
- Light Blue Grey #B7C9E2 ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.040
- Cloudy Blue #ACC2D9 ΔE 0.043
- Sky Blue #87CEEB ΔE 0.046
- Cadet Gray #CED4DA ΔE 0.047
Use #A9D2DA 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.