#00AEB4

A color in the Cyan, Emerald family

#00aeb4 is a color in the Cyan, Emerald family: RGB(0, 174, 180), HSL(182°, 100%, 35%), CMYK(100%, 3%, 0%, 29%). Closest named color: lightseagreen. Contrast is 2.72:1 on white and 7.71:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#00aeb4
RGBrgb(0 174 180)
RGB (legacy)rgb(0, 174, 180)
RGB %rgb(0% 68% 71%)
HSLhsl(182 100% 35%)
HSV / HSBhsv(182, 100%, 71%)
HWBhwb(182 0% 29%)
CMYKcmyk(100%, 3%, 0%, 29%)
CIELAB (D50)lab(64.25 -36.58 -14.31)
LCHlch(64.25 39.28 201.36)
OKLaboklab(0.682 -0.1095 -0.0381)
OKLCHoklch(0.682 0.1159 199.16)
Decimal44724

Properties

Color ToneCyan, Emerald
Closest named colorlightseagreen ΔE 2.2
Closest web-safe color#0099cc
Hue182°
Saturation (HSL / HSV)100% / 100%
Lightness (HSL)35%
Brightness or Value (HSV)71%
Luminance (Rec.601 / Rec.709)48% / 54%
Relative luminance (WCAG)0.3357
Red / Green / Blue0 / 174 / 180

WCAG 2.2 Contrast Ratio

On White (#ffffff)
2.72:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
7.71:1
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 52.1 / -49.8 · As background with white / black text: Lc -57.3 / 52

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: #00aeb4;
  --color-brand-oklch: oklch(68.2% 0.1159 199.16);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(0 174 180 / 50%); }
/* Tailwind CSS */
<div class="bg-[#00aeb4] text-[#00aeb4] border-[#00aeb4]">