#AEF3FB
Closest named color: Diamond (#B9F2FF). oklch(92.1% 0.069 205.1), rgb(174, 243, 251).
Aa
Black text reads best on this color (17.01:1).
About this color
#AEF3FB is a very light, muted teal or cyan. In OKLCH its lightness is 92%, its chroma 0.069 and its hue 205°. Its hue sits on the cool side of the wheel. The nearest named color is Diamond (#B9F2FF), ΔE 0.014 away. Black text reads best on it, at 17.01:1.
| Hue family | Teals and cyans |
| Lightness | very light (92%) |
| Chroma | muted (0.069) |
| Temperature | cool |
| Nearest name | Diamond (#B9F2FF) |
| Black text | 17.01:1 |
| White text | 1.23:1 |
Values
| HEX | #AEF3FB |
| RGB | rgb(174, 243, 251) |
| HSL | hsl(186, 91%, 83%) |
| OKLCH | oklch(92.1% 0.069 205.1) |
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 #AEF3FB | 1.23:1 | Fails | Lc -13.4 | Not readable |
| Black text on #AEF3FB | 17.01:1 | AAA | Lc 92.0 | Preferred for body text |
| #AEF3FB text on white | 1.23:1 | Fails | Lc 11.5 | Not readable |
| #AEF3FB text on black | 17.01:1 | AAA | Lc -92.5 | Preferred 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 100.
-
Step 50
50
#EDF8F9
oklch(97.1% 0.012 203.5)
-
Step 100
100 (this color)
#AEF3FB
oklch(92.1% 0.069 205.1)
-
Step 200
200
#B4E3E9
oklch(88.5% 0.049 205.9)
-
Step 300
300
#75D2DC
oklch(81% 0.09 204.6)
-
Step 400
400
#00B6C4
oklch(70.8% 0.121 204.6)
-
Step 500
500
#009CA8
oklch(63.2% 0.108 204.4)
-
Step 600
600
#00838E
oklch(55.7% 0.095 205.2)
-
Step 700
700
#006E77
oklch(49.1% 0.084 204.7)
-
Step 800
800
#005A62
oklch(42.7% 0.073 205.3)
-
Step 900
900
#004B52
oklch(37.7% 0.064 205.5)
-
Step 950
950
#002D31
oklch(27.1% 0.046 204.1)
#AEF3FB 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) | #E8EDFC | 0.069 |
| Deuteranopia (no green cones) | #DBE3FB | 0.064 |
| Tritanopia (no blue cones) | #93F9F5 | 0.032 |
| Achromatopsia (no color) | #E7E7E7 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #AEF3FB
#AEF3FB
oklch(92.1% 0.069 205.1)
- #FFDBD8
#FFDBD8
oklch(92.1% 0.04 23.6)
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 #AEF3FB, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Diamond #B9F2FF ΔE 0.014
- Pale Turquoise #AFEEEE ΔE 0.019
- Pale Sky Blue #BDF6FE ΔE 0.019
- Robin's Egg Blue #98EFF9 ΔE 0.026
- Pale Cyan #B7FFFA ΔE 0.035
- Robin Egg Blue #8AF1FE ΔE 0.035
- Duck Egg Blue #C3FBF4 ΔE 0.036
- Eggshell Blue #C4FFF7 ΔE 0.044
Use #AEF3FB 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.