#A9DECF
Closest named color: Celeste (#A8DADC). oklch(86% 0.058 175.6), rgb(169, 222, 207).
Aa
Black text reads best on this color (14.03:1).
About this color
#A9DECF is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.058 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.024 away. Black text reads best on it, at 14.03:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.058) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.03:1 |
| White text | 1.49:1 |
Values
| HEX | #A9DECF |
| RGB | rgb(169, 222, 207) |
| HSL | hsl(163, 45%, 77%) |
| OKLCH | oklch(86% 0.058 175.6) |
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 #A9DECF | 1.49:1 | Fails | Lc -26.4 | Dividers and decoration only |
| Black text on #A9DECF | 14.03:1 | AAA | Lc 80.5 | Fine for body text |
| #A9DECF text on white | 1.49:1 | Fails | Lc 23.2 | Dividers and decoration only |
| #A9DECF text on black | 14.03:1 | AAA | Lc -80.0 | 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
#DCEFE9
oklch(93.6% 0.022 175)
-
Step 200
200 (this color)
#A9DECF
oklch(86% 0.058 175.6)
-
Step 300
300
#8BD1BE
oklch(80.9% 0.076 175.4)
-
Step 400
400
#32B99D
oklch(70.8% 0.121 175.3)
-
Step 500
500
#00A086
oklch(63% 0.118 175.6)
-
Step 600
600
#008770
oklch(55.7% 0.105 175.1)
-
Step 700
700
#00715E
oklch(49% 0.092 175.6)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004E40
oklch(37.9% 0.071 175.3)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#A9DECF 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) | #DAD7CE | 0.062 |
| Deuteranopia (no green cones) | #D0D0D0 | 0.058 |
| Tritanopia (no blue cones) | #9CDFD9 | 0.018 |
| Achromatopsia (no color) | #D3D3D3 | 0.059 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9DECF
#A9DECF
oklch(86% 0.058 175.6)
- #F1C2D2
#F1C2D2
oklch(86% 0.057 356)
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 #A9DECF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.024
- Powder Blue #B0E0E6 ΔE 0.033
- Light Teal #90E4C1 ΔE 0.040
- Light Blue #ADD8E6 ΔE 0.041
- Tiffany Blue #94D2BD ΔE 0.046
- Pale Turquoise #AFEEEE ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.057
- Tea Green #CAE7B9 ΔE 0.058
Use #A9DECF 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.