#A4DFD8
Closest named color: Celeste (#A8DADC). oklch(86.1% 0.061 187), rgb(164, 223, 216).
Aa
Black text reads best on this color (14.12:1).
About this color
#A4DFD8 is a light, muted teal or cyan. In OKLCH its lightness is 86%, its chroma 0.061 and its hue 187°. Its hue sits on the cool side of the wheel. The nearest named color is Celeste (#A8DADC), ΔE 0.017 away. Black text reads best on it, at 14.12:1.
| Hue family | Teals and cyans |
| Lightness | light (86%) |
| Chroma | muted (0.061) |
| Temperature | cool |
| Nearest name | Celeste (#A8DADC) |
| Black text | 14.12:1 |
| White text | 1.48:1 |
Values
| HEX | #A4DFD8 |
| RGB | rgb(164, 223, 216) |
| HSL | hsl(173, 48%, 76%) |
| OKLCH | oklch(86.1% 0.061 187) |
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 #A4DFD8 | 1.48:1 | Fails | Lc -26.0 | Dividers and decoration only |
| Black text on #A4DFD8 | 14.12:1 | AAA | Lc 80.9 | Fine for body text |
| #A4DFD8 text on white | 1.48:1 | Fails | Lc 22.9 | Dividers and decoration only |
| #A4DFD8 text on black | 14.12:1 | AAA | Lc -80.4 | 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
#EEF8F6
oklch(97.1% 0.011 182.9)
-
Step 100
100
#DAEFEC
oklch(93.6% 0.022 186.5)
-
Step 200
200 (this color)
#A4DFD8
oklch(86.1% 0.061 187)
-
Step 300
300
#83D1C9
oklch(80.8% 0.078 187.5)
-
Step 400
400
#00B9AD
oklch(70.7% 0.124 186.6)
-
Step 500
500
#009E95
oklch(63% 0.11 187.7)
-
Step 600
600
#00857D
oklch(55.5% 0.097 187.4)
-
Step 700
700
#007069
oklch(49.1% 0.086 187.3)
-
Step 800
800
#005C56
oklch(42.8% 0.075 187.1)
-
Step 900
900
#004D47
oklch(37.8% 0.066 185.9)
-
Step 950
950
#002E2A
oklch(27.1% 0.048 185.8)
#A4DFD8 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) | #D9D9D8 | 0.065 |
| Deuteranopia (no green cones) | #CED0D9 | 0.062 |
| Tritanopia (no blue cones) | #92E2DD | 0.019 |
| Achromatopsia (no color) | #D4D4D4 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4DFD8
#A4DFD8
oklch(86.1% 0.061 187)
- #F6C2CA
#F6C2CA
oklch(86.2% 0.06 8.1)
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 #A4DFD8, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Celeste #A8DADC ΔE 0.017
- Powder Blue #B0E0E6 ΔE 0.025
- Light Blue #ADD8E6 ΔE 0.033
- Light Teal #90E4C1 ΔE 0.045
- Pale Turquoise #AFEEEE ΔE 0.047
- Tiffany Blue #94D2BD ΔE 0.050
- Robin's Egg Blue #98EFF9 ΔE 0.051
- Cadet Gray #CED4DA ΔE 0.057
Use #A4DFD8 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.