#59CDCC

A color in the Cyan, Emerald family

#59cdcc is a color in the Cyan, Emerald family: RGB(89, 205, 204), HSL(179°, 54%, 58%), CMYK(57%, 0%, 0%, 20%). Closest named color: mediumturquoise. Contrast is 1.9:1 on white and 11.03:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#59cdcc
RGBrgb(89 205 204)
RGB (legacy)rgb(89, 205, 204)
RGB %rgb(35% 80% 80%)
HSLhsl(179 54% 58%)
HSV / HSBhsv(179, 57%, 80%)
HWBhwb(179 35% 20%)
CMYKcmyk(57%, 0%, 0%, 20%)
CIELAB (D50)lab(75.85 -34.2 -9.95)
LCHlch(75.85 35.62 196.23)
OKLaboklab(0.7822 -0.1009 -0.026)
OKLCHoklch(0.7822 0.1042 194.45)
Decimal5885388

Properties

Color ToneCyan, Emerald
Closest named colormediumturquoise ΔE 1.4
Closest web-safe color#66cccc
Hue179°
Saturation (HSL / HSV)54% / 57%
Lightness (HSL)58%
Brightness or Value (HSV)80%
Luminance (Rec.601 / Rec.709)67% / 71%
Relative luminance (WCAG)0.5015
Red / Green / Blue89 / 205 / 204

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.90:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
11.03:1
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 36 / -66.5 · As background with white / black text: Lc -40.3 / 67.9

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: #59cdcc;
  --color-brand-oklch: oklch(78.22% 0.1042 194.45);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(89 205 204 / 50%); }
/* Tailwind CSS */
<div class="bg-[#59cdcc] text-[#59cdcc] border-[#59cdcc]">