#ADEAF9
Closest named color: Pale Turquoise (#AFEEEE). oklch(90.1% 0.065 214.6), rgb(173, 234, 249).
Aa
Black text reads best on this color (15.91:1).
About this color
#ADEAF9 is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.065 and its hue 215°. Its hue sits on the cool side of the wheel. The nearest named color is Pale Turquoise (#AFEEEE), ΔE 0.022 away. Black text reads best on it, at 15.91:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.065) |
| Temperature | cool |
| Nearest name | Pale Turquoise (#AFEEEE) |
| Black text | 15.91:1 |
| White text | 1.31:1 |
Values
| HEX | #ADEAF9 |
| RGB | rgb(173, 234, 249) |
| HSL | hsl(192, 86%, 83%) |
| OKLCH | oklch(90.1% 0.065 214.6) |
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 #ADEAF9 | 1.31:1 | Fails | Lc -18.1 | Dividers and decoration only |
| Black text on #ADEAF9 | 15.91:1 | AAA | Lc 87.9 | Fine for body text |
| #ADEAF9 text on white | 1.31:1 | Fails | Lc 15.7 | Dividers and decoration only |
| #ADEAF9 text on black | 15.91:1 | AAA | Lc -88.0 | 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
#EEF8FA
oklch(97.2% 0.011 211)
-
Step 100
100
#D9EEF4
oklch(93.5% 0.024 216.7)
-
Step 200
200 (this color)
#ADEAF9
oklch(90.1% 0.065 214.6)
-
Step 300
300
#7ECFE2
oklch(80.9% 0.084 214.4)
-
Step 400
400
#00B4D0
oklch(70.8% 0.124 214)
-
Step 500
500
#009AB3
oklch(63.1% 0.111 214.6)
-
Step 600
600
#008197
oklch(55.5% 0.098 215.2)
-
Step 700
700
#006D7F
oklch(49.2% 0.087 214.3)
-
Step 800
800
#005968
oklch(42.7% 0.075 214.2)
-
Step 900
900
#004A57
oklch(37.6% 0.066 214.5)
-
Step 950
950
#002C35
oklch(27% 0.048 215.4)
#ADEAF9 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) | #DFE6FA | 0.060 |
| Deuteranopia (no green cones) | #D2DCF9 | 0.054 |
| Tritanopia (no blue cones) | #93F0EE | 0.037 |
| Achromatopsia (no color) | #E0E0E0 | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADEAF9
#ADEAF9
oklch(90.1% 0.065 214.6)
- #FFD3C7
#FFD3C7
oklch(90.1% 0.052 35.7)
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 #ADEAF9, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pale Turquoise #AFEEEE ΔE 0.022
- Robin's Egg Blue #98EFF9 ΔE 0.024
- Diamond #B9F2FF ΔE 0.026
- Powder Blue #B0E0E6 ΔE 0.031
- Robin Egg Blue #8AF1FE ΔE 0.035
- Pale Sky Blue #BDF6FE ΔE 0.038
- Light Blue #ADD8E6 ΔE 0.047
- Celeste #A8DADC ΔE 0.051
Use #ADEAF9 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.