#A9DCDB
Closest named color: Celeste (#A8DADC). oklch(85.9% 0.053 194.7), rgb(169, 220, 219).
Aa
Black text reads best on this color (13.94:1).
About this color
#A9DCDB is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.053 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.006 away. Black text reads best on it, at 13.94:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.053) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.94:1 |
| White text | 1.50:1 |
Values
| HEX | #A9DCDB |
| RGB | rgb(169, 220, 219) |
| HSL | hsl(179, 42%, 76%) |
| OKLCH | oklch(85.9% 0.053 194.7) |
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 #A9DCDB | 1.50:1 | Fails | Lc -26.8 | Dividers and decoration only |
| Black text on #A9DCDB | 13.94:1 | AAA | Lc 80.1 | Fine for body text |
| #A9DCDB text on white | 1.50:1 | Fails | Lc 23.6 | Dividers and decoration only |
| #A9DCDB text on black | 13.94:1 | 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
#EFF7F7
oklch(97% 0.008 197)
-
Step 100
100
#DCEEEE
oklch(93.6% 0.019 196.8)
-
Step 200
200 (this color)
#A9DCDB
oklch(85.9% 0.053 194.7)
-
Step 300
300
#8CCFCE
oklch(81% 0.068 194.7)
-
Step 400
400
#34B5B5
oklch(70.6% 0.108 195)
-
Step 500
500
#009D9D
oklch(63% 0.108 194.8)
-
Step 600
600
#008484
oklch(55.5% 0.095 194.8)
-
Step 700
700
#006F6F
oklch(49% 0.084 194.8)
-
Step 800
800
#005B5B
oklch(42.7% 0.073 194.8)
-
Step 900
900
#004C4C
oklch(37.7% 0.064 194.8)
-
Step 950
950
#002D2D
oklch(26.9% 0.046 194.8)
#A9DCDB 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) | #D5D7DB | 0.055 |
| Deuteranopia (no green cones) | #CBCFDC | 0.052 |
| Tritanopia (no blue cones) | #99DFDB | 0.018 |
| Achromatopsia (no color) | #D2D2D2 | 0.053 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DCDB
#A9DCDB
oklch(85.9% 0.053 194.7)
- #F1C3C6
#F1C3C6
oklch(85.8% 0.053 13.8)
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 #A9DCDB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.006
- Powder Blue #B0E0E6 ΔE 0.019
- Light Blue #ADD8E6 ΔE 0.022
- Cadet Gray #CED4DA ΔE 0.048
- Pale Turquoise #AFEEEE ΔE 0.049
- Tiffany Blue #94D2BD ΔE 0.053
- Light Gray #D3D3D3 ΔE 0.053
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #A9DCDB 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.