#A4DCDF
Closest named color: Celeste (#A8DADC). oklch(85.7% 0.057 200.3), rgb(164, 220, 223).
Aa
Black text reads best on this color (13.88:1).
About this color
#A4DCDF is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.057 and its hue 200°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.006 away. Black text reads best on it, at 13.88:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.057) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 13.88:1 |
| White text | 1.51:1 |
Values
| HEX | #A4DCDF |
| RGB | rgb(164, 220, 223) |
| HSL | hsl(183, 48%, 76%) |
| OKLCH | oklch(85.7% 0.057 200.3) |
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 #A4DCDF | 1.51:1 | Fails | Lc -27.1 | Dividers and decoration only |
| Black text on #A4DCDF | 13.88:1 | AAA | Lc 79.9 | Fine for body text |
| #A4DCDF text on white | 1.51:1 | Fails | Lc 23.9 | Dividers and decoration only |
| #A4DCDF text on black | 13.88:1 | 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
#EEF8F8
oklch(97.2% 0.011 197)
-
Step 100
100
#DAEEEF
oklch(93.5% 0.021 200.4)
-
Step 200
200 (this color)
#A4DCDF
oklch(85.7% 0.057 200.3)
-
Step 300
300
#85CFD4
oklch(80.8% 0.074 201.3)
-
Step 400
400
#12B6BE
oklch(70.7% 0.118 200.5)
-
Step 500
500
#009CA3
oklch(63% 0.107 200.4)
-
Step 600
600
#008389
oklch(55.5% 0.094 200.5)
-
Step 700
700
#006F74
oklch(49.2% 0.084 200.3)
-
Step 800
800
#005B5F
oklch(42.8% 0.073 200)
-
Step 900
900
#004C4F
oklch(37.8% 0.064 199.4)
-
Step 950
950
#002D2F
oklch(27% 0.046 199.4)
#A4DCDF 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) | #D4D7DF | 0.059 |
| Deuteranopia (no green cones) | #C9CEDF | 0.055 |
| Tritanopia (no blue cones) | #90E0DD | 0.023 |
| Achromatopsia (no color) | #D2D2D2 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DCDF
#A4DCDF
oklch(85.7% 0.057 200.3)
- #F4C2C0
#F4C2C0
oklch(85.8% 0.058 21)
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 #A4DCDF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.006
- Light Blue #ADD8E6 ΔE 0.020
- Powder Blue #B0E0E6 ΔE 0.020
- Pale Turquoise #AFEEEE ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.052
- Cadet Gray #CED4DA ΔE 0.052
- Tiffany Blue #94D2BD ΔE 0.054
- Light Blue Grey #B7C9E2 ΔE 0.055
Use #A4DCDF 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.