#A9DEDD
Closest named color: Celeste (#A8DADC). oklch(86.4% 0.054 194.7), rgb(169, 222, 221).
Aa
Black text reads best on this color (14.17:1).
About this color
#A9DEDD is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.054 and its hue 195°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.011 away. Black text reads best on it, at 14.17:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.054) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.17:1 |
| White text | 1.48:1 |
Values
| HEX | #A9DEDD |
| RGB | rgb(169, 222, 221) |
| HSL | hsl(179, 45%, 77%) |
| OKLCH | oklch(86.4% 0.054 194.7) |
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 #A9DEDD | 1.48:1 | Fails | Lc -25.7 | Dividers and decoration only |
| Black text on #A9DEDD | 14.17:1 | AAA | Lc 81.1 | Fine for body text |
| #A9DEDD text on white | 1.48:1 | Fails | Lc 22.7 | Dividers and decoration only |
| #A9DEDD text on black | 14.17:1 | AAA | Lc -80.6 | 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
#EFF8F7
oklch(97.2% 0.01 189.1)
-
Step 100
100
#DBEEEE
oklch(93.5% 0.02 196.8)
-
Step 200
200 (this color)
#A9DEDD
oklch(86.4% 0.054 194.7)
-
Step 300
300
#8ACFCE
oklch(80.9% 0.069 194.7)
-
Step 400
400
#2BB6B6
oklch(70.7% 0.112 194.9)
-
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)
#A9DEDD 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) | #D7D9DD | 0.057 |
| Deuteranopia (no green cones) | #CDD1DE | 0.054 |
| Tritanopia (no blue cones) | #98E1DD | 0.019 |
| Achromatopsia (no color) | #D4D4D4 | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DEDD
#A9DEDD
oklch(86.4% 0.054 194.7)
- #F4C4C7
#F4C4C7
oklch(86.3% 0.055 14.1)
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 #A9DEDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.011
- Powder Blue #B0E0E6 ΔE 0.016
- Light Blue #ADD8E6 ΔE 0.024
- Pale Turquoise #AFEEEE ΔE 0.044
- Cadet Gray #CED4DA ΔE 0.049
- Robin's Egg Blue #98EFF9 ΔE 0.049
- Light Gray #D3D3D3 ΔE 0.055
- Light Teal #90E4C1 ΔE 0.056
Use #A9DEDD 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.