#A9CDCE
Closest named color: Celeste (#A8DADC). oklch(82.3% 0.038 198.5), rgb(169, 205, 206).
Aa
Black text reads best on this color (12.31:1).
About this color
#A9CDCE is a light, muted teal or cyan. In OKLCH its lightness is 82%, its chroma 0.038 and its hue 199°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.034 away. Black text reads best on it, at 12.31:1.
| Hue family | Teals and cyans |
| Lightness | light (82%) |
| Chroma | muted (0.038) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.31:1 |
| White text | 1.70:1 |
Values
| HEX | #A9CDCE |
| RGB | rgb(169, 205, 206) |
| HSL | hsl(182, 27%, 74%) |
| OKLCH | oklch(82.3% 0.038 198.5) |
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 #A9CDCE | 1.70:1 | Fails | Lc -34.4 | Non-text elements, placeholder text |
| Black text on #A9CDCE | 12.31:1 | AAA | Lc 73.3 | Content text, not long reading |
| #A9CDCE text on white | 1.70:1 | Fails | Lc 30.6 | Non-text elements, placeholder text |
| #A9CDCE text on black | 12.31:1 | AAA | Lc -72.2 | Content text, not long reading |
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 300.
-
Step 50
50
#F2F6F7
oklch(97% 0.004 214.3)
-
Step 100
100
#E2ECEC
oklch(93.6% 0.011 197)
-
Step 200
200
#CADEDE
oklch(88.6% 0.021 196.8)
-
Step 300
300 (this color)
#A9CDCE
oklch(82.3% 0.038 198.5)
-
Step 400
400
#72ADAF
oklch(70.8% 0.061 198.6)
-
Step 500
500
#48989B
oklch(63.1% 0.078 198.7)
-
Step 600
600
#228286
oklch(55.5% 0.085 199.2)
-
Step 700
700
#126E71
oklch(49.1% 0.079 198.4)
-
Step 800
800
#145A5C
oklch(42.8% 0.066 197.9)
-
Step 900
900
#1A4A4C
oklch(37.8% 0.051 199)
-
Step 950
950
#112B2C
oklch(26.9% 0.032 198.8)
#A9CDCE 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) | #C8C9CE | 0.040 |
| Deuteranopia (no green cones) | #C1C4CE | 0.037 |
| Tritanopia (no blue cones) | #9ED0CD | 0.015 |
| Achromatopsia (no color) | #C6C6C6 | 0.038 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9CDCE
#A9CDCE
oklch(82.3% 0.038 198.5)
- #DDBCBB
#DDBCBB
oklch(82.3% 0.038 20)
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 #A9CDCE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.039
- Light Blue Grey #B7C9E2 ΔE 0.039
- Light Steel Blue #B0C4DE ΔE 0.040
- Tiffany Blue #94D2BD ΔE 0.041
- Silver #C0C0C0 ΔE 0.041
- Light Cornflower Blue #98C1D9 ΔE 0.047
Use #A9CDCE 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.