#A9DBDE
Closest named color: Celeste (#A8DADC). oklch(85.8% 0.052 200.8), rgb(169, 219, 222).
Aa
Black text reads best on this color (13.87:1).
About this color
#A9DBDE is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.052 and its hue 201°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.004 away. Black text reads best on it, at 13.87:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.052) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.87:1 |
| White text | 1.51:1 |
Values
| HEX | #A9DBDE |
| RGB | rgb(169, 219, 222) |
| HSL | hsl(183, 45%, 77%) |
| OKLCH | oklch(85.8% 0.052 200.8) |
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 #A9DBDE | 1.51:1 | Fails | Lc -27.1 | Dividers and decoration only |
| Black text on #A9DBDE | 13.87:1 | AAA | Lc 79.8 | Fine for body text |
| #A9DBDE text on white | 1.51:1 | Fails | Lc 23.9 | Dividers and decoration only |
| #A9DBDE text on black | 13.87:1 | AAA | Lc -79.3 | 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
#EFF7F8
oklch(97% 0.009 205.9)
-
Step 100
100
#DCEEEF
oklch(93.6% 0.019 200.9)
-
Step 200
200 (this color)
#A9DBDE
oklch(85.8% 0.052 200.8)
-
Step 300
300
#8CCED2
oklch(80.9% 0.067 200.7)
-
Step 400
400
#37B4BC
oklch(70.7% 0.106 201.3)
-
Step 500
500
#009CA4
oklch(63% 0.107 201.2)
-
Step 600
600
#00838A
oklch(55.5% 0.094 201.4)
-
Step 700
700
#006E74
oklch(49% 0.083 201.4)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004B4F
oklch(37.5% 0.064 200.9)
-
Step 950
950
#002D30
oklch(27% 0.046 201.8)
#A9DBDE 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) | #D4D6DE | 0.053 |
| Deuteranopia (no green cones) | #CACFDE | 0.049 |
| Tritanopia (no blue cones) | #98DFDC | 0.021 |
| Achromatopsia (no color) | #D2D2D2 | 0.052 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DBDE
#A9DBDE
oklch(85.8% 0.052 200.8)
- #F1C3C2
#F1C3C2
oklch(85.7% 0.053 19.7)
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 #A9DBDE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.004
- Light Blue #ADD8E6 ΔE 0.017
- Powder Blue #B0E0E6 ΔE 0.018
- Cadet Gray #CED4DA ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.051
- Light Blue Grey #B7C9E2 ΔE 0.052
- Light Gray #D3D3D3 ΔE 0.053
- Robin's Egg Blue #98EFF9 ΔE 0.054
Use #A9DBDE 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.