#A4E6EF
Closest named color: Powder Blue (#B0E0E6). oklch(88.4% 0.067 206.6), rgb(164, 230, 239).
Aa
Black text reads best on this color (15.14:1).
About this color
#A4E6EF is a light, muted teal or cyan. In OKLCH its lightness is 88%, its chroma 0.067 and its hue 207°. Its hue sits on the cool side of the wheel. The nearest named color is Powder Blue (#B0E0E6), ΔE 0.019 away. Black text reads best on it, at 15.14:1.
| Hue family | Teals and cyans |
| Lightness | light (88%) |
| Chroma | muted (0.067) |
| Temperature | cool |
| Nearest name | Powder Blue (#B0E0E6) |
| Black text | 15.14:1 |
| White text | 1.38:1 |
Values
| HEX | #A4E6EF |
| RGB | rgb(164, 230, 239) |
| HSL | hsl(187, 70%, 79%) |
| OKLCH | oklch(88.4% 0.067 206.6) |
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 #A4E6EF | 1.38:1 | Fails | Lc -21.4 | Dividers and decoration only |
| Black text on #A4E6EF | 15.14:1 | AAA | Lc 84.9 | Fine for body text |
| #A4E6EF text on white | 1.38:1 | Fails | Lc 18.7 | Dividers and decoration only |
| #A4E6EF text on black | 15.14:1 | AAA | Lc -84.8 | 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
#EDF8F9
oklch(97.1% 0.012 203.5)
-
Step 100
100
#D8EFF2
oklch(93.6% 0.025 206.2)
-
Step 200
200 (this color)
#A4E6EF
oklch(88.4% 0.067 206.6)
-
Step 300
300
#79D1DD
oklch(81% 0.086 206.9)
-
Step 400
400
#00B5C6
oklch(70.6% 0.121 206.7)
-
Step 500
500
#009BAA
oklch(63% 0.108 206.9)
-
Step 600
600
#00838F
oklch(55.7% 0.095 206.1)
-
Step 700
700
#006E79
oklch(49.2% 0.084 206.9)
-
Step 800
800
#005A63
oklch(42.7% 0.073 206.6)
-
Step 900
900
#004B53
oklch(37.7% 0.065 207)
-
Step 950
950
#002D32
oklch(27.1% 0.046 206.3)
#A4E6EF 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) | #DCE1F0 | 0.067 |
| Deuteranopia (no green cones) | #CFD7EF | 0.061 |
| Tritanopia (no blue cones) | #89ECE9 | 0.032 |
| Achromatopsia (no color) | #DBDBDB | 0.068 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #A4E6EF
#A4E6EF
oklch(88.4% 0.067 206.6)
- #FFCAC3
#FFCAC3
oklch(88.4% 0.061 27.1)
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 #A4E6EF, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Powder Blue #B0E0E6 ΔE 0.019
- Robin's Egg Blue #98EFF9 ΔE 0.024
- Pale Turquoise #AFEEEE ΔE 0.026
- Celeste #A8DADC ΔE 0.034
- Robin Egg Blue #8AF1FE ΔE 0.035
- Light Blue #ADD8E6 ΔE 0.036
- Diamond #B9F2FF ΔE 0.044
- Robin's Egg #6DEDFD ΔE 0.048
Use #A4E6EF 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.