#00A39F

A color in the Cyan, Emerald family

#00a39f is a color in the Cyan, Emerald family: RGB(0, 163, 159), HSL(179°, 100%, 32%), CMYK(100%, 0%, 2%, 36%). Closest named color: lightseagreen. Contrast is 3.12:1 on white and 6.74:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#00a39f
RGBrgb(0 163 159)
RGB (legacy)rgb(0, 163, 159)
RGB %rgb(0% 64% 62%)
HSLhsl(179 100% 32%)
HSV / HSBhsv(179, 100%, 64%)
HWBhwb(179 0% 36%)
CMYKcmyk(100%, 0%, 2%, 36%)
CIELAB (D50)lab(60.21 -37.2 -8.62)
LCHlch(60.21 38.19 193.05)
OKLaboklab(0.6464 -0.1088 -0.0225)
OKLCHoklch(0.6464 0.1111 191.68)
Decimal41887

Properties

Color ToneCyan, Emerald
Closest named colorlightseagreen ΔE 4.5
Closest web-safe color#009999
Hue179°
Saturation (HSL / HSV)100% / 100%
Lightness (HSL)32%
Brightness or Value (HSV)64%
Luminance (Rec.601 / Rec.709)45% / 50%
Relative luminance (WCAG)0.287
Red / Green / Blue0 / 163 / 159

WCAG 2.2 Contrast Ratio

On White (#ffffff)
3.12:1
AA Normal (4.5:1) · FailAA Large (3:1) · PassAAA Normal (7:1) · Fail
On Black (#000000)
6.74:1
AA Normal (4.5:1) · PassAA Large (3:1) · PassAAA Normal (7:1) · Fail
Aa Bb 123

APCA Contrast Lc (reference) — As text on white / black: Lc 57.5 / -44.2 · As background with white / black text: Lc -62.9 / 46.5

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: #00a39f;
  --color-brand-oklch: oklch(64.64% 0.1111 191.68);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(0 163 159 / 50%); }
/* Tailwind CSS */
<div class="bg-[#00a39f] text-[#00a39f] border-[#00a39f]">