#01AC98

A color in the Cyan, Emerald family

#01ac98 is a color in the Cyan, Emerald family: RGB(1, 172, 152), HSL(173°, 99%, 34%), CMYK(99%, 0%, 12%, 33%). Closest named color: lightseagreen. Contrast is 2.85:1 on white and 7.36:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#01ac98
RGBrgb(1 172 152)
RGB (legacy)rgb(1, 172, 152)
RGB %rgb(0% 67% 60%)
HSLhsl(173 99% 34%)
HSV / HSBhsv(173, 99%, 67%)
HWBhwb(173 0% 33%)
CMYKcmyk(99%, 0%, 12%, 33%)
CIELAB (D50)lab(62.91 -42.25 -0.78)
LCHlch(62.91 42.25 181.06)
OKLaboklab(0.6673 -0.1205 -0.0013)
OKLCHoklch(0.6673 0.1205 180.6)
Decimal109720

Properties

Color ToneCyan, Emerald
Closest named colorlightseagreen ΔE 3
Closest web-safe color#009999
Hue173°
Saturation (HSL / HSV)99% / 99%
Lightness (HSL)34%
Brightness or Value (HSV)67%
Luminance (Rec.601 / Rec.709)47% / 53%
Relative luminance (WCAG)0.3178
Red / Green / Blue1 / 172 / 152

WCAG 2.2 Contrast Ratio

On White (#ffffff)
2.85:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
7.36:1
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 54 / -47.8 · As background with white / black text: Lc -59.3 / 50

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: #01ac98;
  --color-brand-oklch: oklch(66.73% 0.1205 180.6);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(1 172 152 / 50%); }
/* Tailwind CSS */
<div class="bg-[#01ac98] text-[#01ac98] border-[#01ac98]">