#ADEFE9
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.6% 0.067 189), rgb(173, 239, 233).
Aa
Black text reads best on this color (16.30:1).
About this color
#ADEFE9 is a very light, muted teal or cyan. In OKLCH its lightness is 91%, its chroma 0.067 and its hue 189°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.009 away. Black text reads best on it, at 16.30:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 16.30:1 |
| White text | 1.28:1 |
Values
| HEX | #ADEFE9 |
| RGB | rgb(173, 239, 233) |
| HSL | hsl(175, 67%, 81%) |
| OKLCH | oklch(90.6% 0.067 189) |
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 #ADEFE9 | 1.28:1 | Fails | Lc -16.4 | Dividers and decoration only |
| Black text on #ADEFE9 | 16.30:1 | AAA | Lc 89.4 | Fine for body text |
| #ADEFE9 text on white | 1.28:1 | Fails | Lc 14.2 | Not readable |
| #ADEFE9 text on black | 16.30:1 | AAA | Lc -89.6 | 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
#EDF8F7
oklch(97.1% 0.012 190.4)
-
Step 100
100
#D8F0ED
oklch(93.7% 0.026 187.7)
-
Step 200
200 (this color)
#ADEFE9
oklch(90.6% 0.067 189)
-
Step 300
300
#7BD3CC
oklch(81% 0.086 189)
-
Step 400
400
#00B8B0
oklch(70.6% 0.122 189.3)
-
Step 500
500
#009E97
oklch(63.1% 0.109 189.2)
-
Step 600
600
#00857F
oklch(55.6% 0.096 189.2)
-
Step 700
700
#00706A
oklch(49.1% 0.085 188.3)
-
Step 800
800
#005C57
oklch(42.8% 0.074 188.4)
-
Step 900
900
#004C49
oklch(37.6% 0.065 190.2)
-
Step 950
950
#002E2B
oklch(27.1% 0.047 188)
#ADEFE9 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) | #E8E8E9 | 0.071 |
| Deuteranopia (no green cones) | #DBDFEA | 0.066 |
| Tritanopia (no blue cones) | #98F2ED | 0.021 |
| Achromatopsia (no color) | #E3E3E3 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADEFE9
#ADEFE9
oklch(90.6% 0.067 189)
- #FFD3D9
#FFD3D9
oklch(90.6% 0.05 8.9)
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 #ADEFE9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.009
- Robin's Egg Blue #98EFF9 ΔE 0.028
- Diamond #B9F2FF ΔE 0.034
- Pale Sky Blue #BDF6FE ΔE 0.037
- Powder Blue #B0E0E6 ΔE 0.039
- Robin Egg Blue #8AF1FE ΔE 0.040
- Duck Egg Blue #C3FBF4 ΔE 0.043
- Pale Cyan #B7FFFA ΔE 0.045
Use #ADEFE9 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.