#59CDCD

A color in the Cyan, Emerald family

#59cdcd is a color in the Cyan, Emerald family: RGB(89, 205, 205), HSL(180°, 54%, 58%), CMYK(57%, 0%, 0%, 20%). Closest named color: mediumturquoise. Contrast is 1.9:1 on white and 11.04:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#59cdcd
RGBrgb(89 205 205)
RGB (legacy)rgb(89, 205, 205)
RGB %rgb(35% 80% 80%)
HSLhsl(180 54% 58%)
HSV / HSBhsv(180, 57%, 80%)
HWBhwb(180 35% 20%)
CMYKcmyk(57%, 0%, 0%, 20%)
CIELAB (D50)lab(75.88 -34 -10.45)
LCHlch(75.88 35.57 197.09)
OKLaboklab(0.7826 -0.1005 -0.0274)
OKLCHoklch(0.7826 0.1042 195.23)
Decimal5885389

Properties

Color ToneCyan, Emerald
Closest named colormediumturquoise ΔE 1.5
Closest web-safe color#66cccc
Hue180°
Saturation (HSL / HSV)54% / 57%
Lightness (HSL)58%
Brightness or Value (HSV)80%
Luminance (Rec.601 / Rec.709)67% / 71%
Relative luminance (WCAG)0.5019
Red / Green / Blue89 / 205 / 205

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)
11.04:1
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 -40.2 / 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: #59cdcd;
  --color-brand-oklch: oklch(78.26% 0.1042 195.23);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(89 205 205 / 50%); }
/* Tailwind CSS */
<div class="bg-[#59cdcd] text-[#59cdcd] border-[#59cdcd]">