#A4C9CD
Closest named color: Cloudy Blue (#ACC2D9). oklch(81% 0.04 204.5), rgb(164, 201, 205).
Aa
Black text reads best on this color (11.81:1).
About this color
#A4C9CD is a light, muted teal or cyan. In OKLCH its lightness is 81%, its chroma 0.040 and its hue 204°. Its hue sits on the cool side of the wheel. The nearest named color is Cloudy Blue (#ACC2D9), ΔE 0.031 away. Black text reads best on it, at 11.81:1.
| Hue family | Teals and cyans |
| Lightness | light (81%) |
| Chroma | muted (0.040) |
| Temperature | cool |
| Nearest name | Cloudy Blue (#ACC2D9) |
| Black text | 11.81:1 |
| White text | 1.77:1 |
Values
| HEX | #A4C9CD |
| RGB | rgb(164, 201, 205) |
| HSL | hsl(186, 29%, 72%) |
| OKLCH | oklch(81% 0.04 204.5) |
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 #A4C9CD | 1.77:1 | Fails | Lc -36.7 | Non-text elements, placeholder text |
| Black text on #A4C9CD | 11.81:1 | AAA | Lc 71.1 | Content text, not long reading |
| #A4C9CD text on white | 1.77:1 | Fails | Lc 32.7 | Non-text elements, placeholder text |
| #A4C9CD text on black | 11.81:1 | AAA | Lc -69.9 | 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
#E2ECED
oklch(93.6% 0.011 204.1)
-
Step 200
200
#C9DEE0
oklch(88.6% 0.023 203.7)
-
Step 300
300 (this color)
#A4C9CD
oklch(81% 0.04 204.5)
-
Step 400
400
#70ADB3
oklch(70.8% 0.064 203.7)
-
Step 500
500
#4498A0
oklch(63.1% 0.081 203.8)
-
Step 600
600
#1B828B
oklch(55.6% 0.088 204)
-
Step 700
700
#076E76
oklch(49.1% 0.082 203.8)
-
Step 800
800
#0F5A60
oklch(42.8% 0.068 203.3)
-
Step 900
900
#184A4F
oklch(37.8% 0.053 204.5)
-
Step 950
950
#102B2E
oklch(27% 0.033 205.1)
#A4C9CD 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) | #C3C6CD | 0.040 |
| Deuteranopia (no green cones) | #BBC0CD | 0.036 |
| Tritanopia (no blue cones) | #98CCCA | 0.017 |
| Achromatopsia (no color) | #C2C2C2 | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4C9CD
#A4C9CD
oklch(81% 0.04 204.5)
- #DAB8B4
#DAB8B4
oklch(81.1% 0.04 25.9)
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 #A4C9CD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Cloudy Blue #ACC2D9 ΔE 0.031
- Light Cornflower Blue #98C1D9 ΔE 0.035
- Light Steel Blue #B0C4DE ΔE 0.035
- Silver #C0C0C0 ΔE 0.040
- Light Blue Grey #B7C9E2 ΔE 0.040
- Light Grey Blue #9DBCD4 ΔE 0.042
- Tiffany Blue #94D2BD ΔE 0.043
- Celeste #A8DADC ΔE 0.046
Use #A4C9CD 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.