#ADE9FE
Closest named color: Robin's Egg Blue (#98EFF9). oklch(90% 0.067 221.5), rgb(173, 233, 254).
Aa
Black text reads best on this color (15.86:1).
About this color
#ADE9FE is a very light, muted teal or cyan. In OKLCH its lightness is 90%, its chroma 0.067 and its hue 222°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.028 away. Black text reads best on it, at 15.86:1.
| Hue family | Teals and cyans |
| Lightness | very light (90%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 15.86:1 |
| White text | 1.32:1 |
Values
| HEX | #ADE9FE |
| RGB | rgb(173, 233, 254) |
| HSL | hsl(196, 98%, 84%) |
| OKLCH | oklch(90% 0.067 221.5) |
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 #ADE9FE | 1.32:1 | Fails | Lc -18.3 | Dividers and decoration only |
| Black text on #ADE9FE | 15.86:1 | AAA | Lc 87.7 | Fine for body text |
| #ADE9FE text on white | 1.32:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #ADE9FE text on black | 15.86:1 | AAA | Lc -87.8 | 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
#EEF7FB
oklch(97.1% 0.011 226)
-
Step 100
100
#D9EEF6
oklch(93.6% 0.025 222.6)
-
Step 200
200 (this color)
#ADE9FE
oklch(90% 0.067 221.5)
-
Step 300
300
#7FCEE8
oklch(81% 0.086 221)
-
Step 400
400
#00B2DA
oklch(70.7% 0.13 221.5)
-
Step 500
500
#0098BB
oklch(63% 0.116 221.8)
-
Step 600
600
#00809E
oklch(55.6% 0.103 221.9)
-
Step 700
700
#006C85
oklch(49.2% 0.09 221.2)
-
Step 800
800
#00586D
oklch(42.6% 0.078 221.3)
-
Step 900
900
#00495C
oklch(37.6% 0.07 222.6)
-
Step 950
950
#002C38
oklch(27.2% 0.05 221.4)
#ADE9FE 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) | #DCE5FF | 0.056 |
| Deuteranopia (no green cones) | #D0DBFE | 0.052 |
| Tritanopia (no blue cones) | #91F0EF | 0.043 |
| Achromatopsia (no color) | #E0E0E0 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #ADE9FE
#ADE9FE
oklch(90% 0.067 221.5)
- #FFD3C3
#FFD3C3
oklch(90% 0.054 41)
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 #ADE9FE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.028
- Diamond #B9F2FF ΔE 0.029
- Pale Turquoise #AFEEEE ΔE 0.030
- Powder Blue #B0E0E6 ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.038
- Pale Sky Blue #BDF6FE ΔE 0.041
- Light Blue #ADD8E6 ΔE 0.048
- Celeste #A8DADC ΔE 0.054
Use #ADE9FE 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.