#ADEFDD
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.3% 0.071 175.9), rgb(173, 239, 221).
Aa
Black text reads best on this color (16.16:1).
About this color
#ADEFDD is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 90%, its chroma 0.071 and its hue 176°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.025 away. Black text reads best on it, at 16.16:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | moderately saturated (0.071) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.16:1 |
| White text | 1.29:1 |
Values
| HEX | #ADEFDD |
| RGB | rgb(173, 239, 221) |
| HSL | hsl(164, 67%, 81%) |
| OKLCH | oklch(90.3% 0.071 175.9) |
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 #ADEFDD | 1.29:1 | Fails | Lc -17.0 | Dividers and decoration only |
| Black text on #ADEFDD | 16.16:1 | AAA | Lc 88.9 | Fine for body text |
| #ADEFDD text on white | 1.29:1 | Fails | Lc 14.8 | Not readable |
| #ADEFDD text on black | 16.16:1 | AAA | Lc -89.0 | 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
#EEF8F5
oklch(97.1% 0.011 176.3)
-
Step 100
100
#D9F0E9
oklch(93.6% 0.026 175.6)
-
Step 200
200 (this color)
#ADEFDD
oklch(90.3% 0.071 175.9)
-
Step 300
300
#7DD4BE
oklch(80.9% 0.091 175.8)
-
Step 400
400
#00BB9D
oklch(70.7% 0.133 175.7)
-
Step 500
500
#00A087
oklch(63.1% 0.118 176.3)
-
Step 600
600
#008771
oklch(55.7% 0.104 175.8)
-
Step 700
700
#00715F
oklch(49% 0.091 176.5)
-
Step 800
800
#005D4D
oklch(42.7% 0.08 175.6)
-
Step 900
900
#004D40
oklch(37.6% 0.07 176.4)
-
Step 950
950
#002E25
oklch(26.9% 0.05 175.6)
#ADEFDD 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) | #EAE7DC | 0.074 |
| Deuteranopia (no green cones) | #DEDEDE | 0.071 |
| Tritanopia (no blue cones) | #9BF1E9 | 0.021 |
| Achromatopsia (no color) | #E2E2E2 | 0.071 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADEFDD
#ADEFDD
oklch(90.3% 0.071 175.9)
- #FFD0E0
#FFD0E0
oklch(90.3% 0.057 355.9)
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 #ADEFDD, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.025
- Robin's Egg Blue #98EFF9 ΔE 0.042
- Pale Aqua #B8FFEB ΔE 0.045
- Powder Blue #B0E0E6 ΔE 0.046
- Duck Egg Blue #C3FBF4 ΔE 0.049
- Diamond #B9F2FF ΔE 0.049
- Pale Sky Blue #BDF6FE ΔE 0.050
- Tea Green #CAE7B9 ΔE 0.051
Use #ADEFDD 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.