#A4E4E8

A color in the Cyan, Emerald family

#a4e4e8 is a color in the Cyan, Emerald family: RGB(164, 228, 232), HSL(184°, 60%, 78%), CMYK(29%, 2%, 0%, 9%). Closest named color: powderblue. Contrast is 1.41:1 on white and 14.84:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#a4e4e8
RGBrgb(164 228 232)
RGB (legacy)rgb(164, 228, 232)
RGB %rgb(64% 89% 91%)
HSLhsl(184 60% 78%)
HSV / HSBhsv(184, 29%, 91%)
HWBhwb(184 64% 9%)
CMYKcmyk(29%, 2%, 0%, 9%)
CIELAB (D50)lab(86.39 -20.21 -8.81)
LCHlch(86.39 22.05 203.57)
OKLaboklab(0.8773 -0.0603 -0.0231)
OKLCHoklch(0.8773 0.0646 200.92)
Decimal10806504

Properties

Color ToneCyan, Emerald
Closest named colorpowderblue ΔE 1.5
Closest web-safe color#99ccff
Hue184°
Saturation (HSL / HSV)60% / 29%
Lightness (HSL)78%
Brightness or Value (HSV)91%
Luminance (Rec.601 / Rec.709)82% / 84%
Relative luminance (WCAG)0.6921
Red / Green / Blue164 / 228 / 232

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.41:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
14.84:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Pass
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 20 / -83.5 · As background with white / black text: Lc -22.8 / 83.7

Lightness Scale (OKLCH 50–950)

Eleven steps that change only perceived lightness while keeping hue and chroma — ready to use as design-system color tokens.

Tints (mixed with white)

Shades (mixed with black)

Color Harmonies

Color Vision Deficiency Simulation

Estimated appearance of this color for people with color vision deficiencies (Machado 2009).

Similar Named Colors

Use in CSS

:root {
  --color-brand: #a4e4e8;
  --color-brand-oklch: oklch(87.73% 0.0646 200.92);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(164 228 232 / 50%); }
/* Tailwind CSS */
<div class="bg-[#a4e4e8] text-[#a4e4e8] border-[#a4e4e8]">