#A9CED5
Closest named color: Celeste (#A8DADC). oklch(82.7% 0.04 210.4), rgb(169, 206, 213).
Aa
Black text reads best on this color (12.47:1).
About this color
#A9CED5 is a light, muted teal or cyan. In OKLCH its lightness is 83%, its chroma 0.040 and its hue 210°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.031 away. Black text reads best on it, at 12.47:1.
| Hue family | Teals and cyans |
| Lightness | light (83%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 12.47:1 |
| White text | 1.68:1 |
Values
| HEX | #A9CED5 |
| RGB | rgb(169, 206, 213) |
| HSL | hsl(190, 34%, 75%) |
| OKLCH | oklch(82.7% 0.04 210.4) |
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 #A9CED5 | 1.68:1 | Fails | Lc -33.6 | Non-text elements, placeholder text |
| Black text on #A9CED5 | 12.47:1 | AAA | Lc 74.0 | Content text, not long reading |
| #A9CED5 text on white | 1.68:1 | Fails | Lc 29.8 | Dividers and decoration only |
| #A9CED5 text on black | 12.47:1 | AAA | Lc -73.0 | 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
#E1ECEE
oklch(93.5% 0.012 209.8)
-
Step 200
200
#C9DDE1
oklch(88.4% 0.022 211)
-
Step 300
300 (this color)
#A9CED5
oklch(82.7% 0.04 210.4)
-
Step 400
400
#6FACB7
oklch(70.7% 0.065 210.1)
-
Step 500
500
#4497A5
oklch(63.1% 0.082 210.1)
-
Step 600
600
#1B8191
oklch(55.6% 0.09 211)
-
Step 700
700
#066D7B
oklch(49.1% 0.084 210.4)
-
Step 800
800
#0F5964
oklch(42.7% 0.069 210.3)
-
Step 900
900
#174952
oklch(37.6% 0.054 211.7)
-
Step 950
950
#102B30
oklch(27% 0.034 211.3)
#A9CED5 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) | #C7CBD5 | 0.038 |
| Deuteranopia (no green cones) | #C0C5D5 | 0.036 |
| Tritanopia (no blue cones) | #9CD2D0 | 0.021 |
| Achromatopsia (no color) | #C7C7C7 | 0.041 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A9CED5
#A9CED5
oklch(82.7% 0.04 210.4)
- #DFBDB7
#DFBDB7
oklch(82.6% 0.04 29.7)
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 #A9CED5, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.031
- Light Blue #ADD8E6 ΔE 0.031
- Light Blue Grey #B7C9E2 ΔE 0.032
- Light Steel Blue #B0C4DE ΔE 0.034
- Cloudy Blue #ACC2D9 ΔE 0.035
- Silver #C0C0C0 ΔE 0.045
- Light Cornflower Blue #98C1D9 ΔE 0.045
- Sky Blue #87CEEB ΔE 0.046
Use #A9CED5 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.