#A9DDCC
Closest named color: Celeste (#A8DADC). oklch(85.7% 0.059 172.8), rgb(169, 221, 204).
Aa
Black text reads best on this color (13.90:1).
About this color
#A9DDCC is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.059 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.026 away. Black text reads best on it, at 13.90:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.059) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.90:1 |
| White text | 1.51:1 |
Values
| HEX | #A9DDCC |
| RGB | rgb(169, 221, 204) |
| HSL | hsl(160, 43%, 76%) |
| OKLCH | oklch(85.7% 0.059 172.8) |
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 #A9DDCC | 1.51:1 | Fails | Lc -27.0 | Dividers and decoration only |
| Black text on #A9DDCC | 13.90:1 | AAA | Lc 80.0 | Fine for body text |
| #A9DDCC text on white | 1.51:1 | Fails | Lc 23.8 | Dividers and decoration only |
| #A9DDCC text on black | 13.90:1 | AAA | Lc -79.4 | 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
#EFF8F5
oklch(97.2% 0.01 174.3)
-
Step 100
100
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200 (this color)
#A9DDCC
oklch(85.7% 0.059 172.8)
-
Step 300
300
#8DD1BC
oklch(80.9% 0.075 173)
-
Step 400
400
#37B999
oklch(70.8% 0.121 172.6)
-
Step 500
500
#00A182
oklch(63.2% 0.122 172.6)
-
Step 600
600
#00876D
oklch(55.6% 0.107 172.9)
-
Step 700
700
#00725B
oklch(49.2% 0.095 172.3)
-
Step 800
800
#005D4A
oklch(42.6% 0.082 172.5)
-
Step 900
900
#004E3E
oklch(37.8% 0.073 172.9)
-
Step 950
950
#002E24
oklch(26.9% 0.051 173.7)
#A9DDCC 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) | #DAD6CB | 0.062 |
| Deuteranopia (no green cones) | #D0CFCD | 0.059 |
| Tritanopia (no blue cones) | #9CDED8 | 0.020 |
| Achromatopsia (no color) | #D2D2D2 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DDCC
#A9DDCC
oklch(85.7% 0.059 172.8)
- #F0C1D3
#F0C1D3
oklch(85.7% 0.058 353.5)
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 #A9DDCC, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.026
- Powder Blue #B0E0E6 ΔE 0.037
- Light Teal #90E4C1 ΔE 0.039
- Tiffany Blue #94D2BD ΔE 0.043
- Light Blue #ADD8E6 ΔE 0.044
- Pale Turquoise #AFEEEE ΔE 0.056
- Tea Green #CAE7B9 ΔE 0.058
- Cadet Gray #CED4DA ΔE 0.058
Use #A9DDCC 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.