#A5EFFF
Closest named color: Robin's Egg Blue (#98EFF9). oklch(90.9% 0.076 212.7), rgb(165, 239, 255).
Aa
Black text reads best on this color (16.39:1).
About this color
#A5EFFF is a very light, moderately saturated teal or cyan. In OKLCH its lightness is 91%, its chroma 0.076 and its hue 213°. Its hue sits on the cool side of the wheel. The nearest named color is Robin's Egg Blue (#98EFF9), ΔE 0.016 away. Black text reads best on it, at 16.39:1.
| Hue family | Teals and cyans |
| Lightness | very light (91%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Robin's Egg Blue (#98EFF9) |
| Black text | 16.39:1 |
| White text | 1.28:1 |
Values
| HEX | #A5EFFF |
| RGB | rgb(165, 239, 255) |
| HSL | hsl(191, 100%, 82%) |
| OKLCH | oklch(90.9% 0.076 212.7) |
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 #A5EFFF | 1.28:1 | Fails | Lc -16.0 | Dividers and decoration only |
| Black text on #A5EFFF | 16.39:1 | AAA | Lc 89.7 | Fine for body text |
| #A5EFFF text on white | 1.28:1 | Fails | Lc 13.9 | Not readable |
| #A5EFFF text on black | 16.39:1 | AAA | Lc -90.0 | 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
#ECF8FB
oklch(97.1% 0.013 214.4)
-
Step 100
100
#D5EFF5
oklch(93.5% 0.028 213.2)
-
Step 200
200 (this color)
#A5EFFF
oklch(90.9% 0.076 212.7)
-
Step 300
300
#6DD1E6
oklch(80.8% 0.098 213.1)
-
Step 400
400
#00B4CE
oklch(70.7% 0.124 212.8)
-
Step 500
500
#009AB1
oklch(63% 0.11 213.1)
-
Step 600
600
#008295
oklch(55.7% 0.097 212.5)
-
Step 700
700
#006D7D
oklch(49.1% 0.086 212.3)
-
Step 800
800
#005967
oklch(42.6% 0.075 213)
-
Step 900
900
#004A56
oklch(37.6% 0.066 213)
-
Step 950
950
#002C34
oklch(26.9% 0.047 213.2)
#A5EFFF 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) | #E2EAFF | 0.070 |
| Deuteranopia (no green cones) | #D3DEFF | 0.065 |
| Tritanopia (no blue cones) | #83F6F4 | 0.041 |
| Achromatopsia (no color) | #E3E3E3 | 0.076 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A5EFFF
#A5EFFF
oklch(90.9% 0.076 212.7)
- #FFD6CD
#FFD6CD
oklch(90.8% 0.048 32.5)
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 #A5EFFF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Robin's Egg Blue #98EFF9 ΔE 0.016
- Diamond #B9F2FF ΔE 0.024
- Pale Turquoise #AFEEEE ΔE 0.024
- Robin Egg Blue #8AF1FE ΔE 0.025
- Pale Sky Blue #BDF6FE ΔE 0.034
- Powder Blue #B0E0E6 ΔE 0.043
- Robin's Egg #6DEDFD ΔE 0.050
- Pale Cyan #B7FFFA ΔE 0.051
Use #A5EFFF 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.