#A9DECB
Closest named color: Celeste (#A8DADC). oklch(85.9% 0.061 170.8), rgb(169, 222, 203).
Aa
Black text reads best on this color (13.99:1).
About this color
#A9DECB is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.061 and its hue 171°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.029 away. Black text reads best on it, at 13.99:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.99:1 |
| White text | 1.50:1 |
Values
| HEX | #A9DECB |
| RGB | rgb(169, 222, 203) |
| HSL | hsl(158, 45%, 77%) |
| OKLCH | oklch(85.9% 0.061 170.8) |
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 #A9DECB | 1.50:1 | Fails | Lc -26.5 | Dividers and decoration only |
| Black text on #A9DECB | 13.99:1 | AAA | Lc 80.3 | Fine for body text |
| #A9DECB text on white | 1.50:1 | Fails | Lc 23.4 | Dividers and decoration only |
| #A9DECB text on black | 13.99:1 | AAA | Lc -79.8 | 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
#EFF8F4
oklch(97.1% 0.011 167.8)
-
Step 100
100
#DCEFE8
oklch(93.6% 0.022 171.8)
-
Step 200
200 (this color)
#A9DECB
oklch(85.9% 0.061 170.8)
-
Step 300
300
#8CD1BA
oklch(80.8% 0.077 171.4)
-
Step 400
400
#33B996
oklch(70.6% 0.125 171.1)
-
Step 500
500
#00A17F
oklch(63.1% 0.124 170.8)
-
Step 600
600
#00876A
oklch(55.5% 0.109 170.8)
-
Step 700
700
#007259
oklch(49.1% 0.097 170.7)
-
Step 800
800
#005D49
oklch(42.6% 0.083 171.6)
-
Step 900
900
#004E3C
oklch(37.7% 0.074 170.6)
-
Step 950
950
#002F23
oklch(27.2% 0.053 170.5)
#A9DECB 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) | #DBD7CA | 0.063 |
| Deuteranopia (no green cones) | #D1D0CC | 0.060 |
| Tritanopia (no blue cones) | #9DDFD8 | 0.020 |
| Achromatopsia (no color) | #D3D3D3 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DECB
#A9DECB
oklch(85.9% 0.061 170.8)
- #F1C1D5
#F1C1D5
oklch(85.9% 0.06 351.6)
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 #A9DECB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.029
- Light Teal #90E4C1 ΔE 0.036
- Powder Blue #B0E0E6 ΔE 0.039
- Tiffany Blue #94D2BD ΔE 0.044
- Light Blue #ADD8E6 ΔE 0.047
- Tea Green #CAE7B9 ΔE 0.055
- Pale Turquoise #AFEEEE ΔE 0.056
- Hospital Green #9BE5AA ΔE 0.058
Use #A9DECB 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.