#59CDBE

A color in the Cyan, Emerald family

#59cdbe is a color in the Cyan, Emerald family: RGB(89, 205, 190), HSL(172°, 54%, 58%), CMYK(57%, 0%, 7%, 20%). Closest named color: mediumturquoise. Contrast is 1.93:1 on white and 10.9:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#59cdbe
RGBrgb(89 205 190)
RGB (legacy)rgb(89, 205, 190)
RGB %rgb(35% 80% 75%)
HSLhsl(172 54% 58%)
HSV / HSBhsv(172, 57%, 80%)
HWBhwb(172 35% 20%)
CMYKcmyk(57%, 0%, 7%, 20%)
CIELAB (D50)lab(75.52 -37.02 -2.95)
LCHlch(75.52 37.13 184.56)
OKLaboklab(0.7777 -0.107 -0.0071)
OKLCHoklch(0.7777 0.1072 183.79)
Decimal5885374

Properties

Color ToneCyan, Emerald
Closest named colormediumturquoise ΔE 2
Closest web-safe color#66cccc
Hue172°
Saturation (HSL / HSV)54% / 57%
Lightness (HSL)58%
Brightness or Value (HSV)80%
Luminance (Rec.601 / Rec.709)66% / 70%
Relative luminance (WCAG)0.495
Red / Green / Blue89 / 205 / 190

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.93:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
10.90:1
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 36.6 / -65.9 · As background with white / black text: Lc -40.9 / 67.3

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: #59cdbe;
  --color-brand-oklch: oklch(77.77% 0.1072 183.79);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(89 205 190 / 50%); }
/* Tailwind CSS */
<div class="bg-[#59cdbe] text-[#59cdbe] border-[#59cdbe]">