#59CD9D

A color in the Cyan, Emerald family

#59cd9d is a color in the Cyan, Emerald family: RGB(89, 205, 157), HSL(155°, 54%, 58%), CMYK(57%, 0%, 23%, 20%). Closest named color: mediumaquamarine. Contrast is 1.97:1 on white and 10.64:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#59cd9d
RGBrgb(89 205 157)
RGB (legacy)rgb(89, 205, 157)
RGB %rgb(35% 80% 62%)
HSLhsl(155 54% 58%)
HSV / HSBhsv(155, 57%, 80%)
HWBhwb(155 35% 20%)
CMYKcmyk(57%, 0%, 23%, 20%)
CIELAB (D50)lab(74.85 -42.93 13.66)
LCHlch(74.85 45.05 162.35)
OKLaboklab(0.7686 -0.1219 0.0363)
OKLCHoklch(0.7686 0.1272 163.43)
Decimal5885341

Properties

Color ToneCyan, Emerald
Closest named colormediumaquamarine ΔE 2.2
Closest web-safe color#66cc99
Hue155°
Saturation (HSL / HSV)54% / 57%
Lightness (HSL)58%
Brightness or Value (HSV)80%
Luminance (Rec.601 / Rec.709)65% / 69%
Relative luminance (WCAG)0.4822
Red / Green / Blue89 / 205 / 157

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.97:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
10.64:1
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 37.8 / -64.6 · As background with white / black text: Lc -42.2 / 66.1

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: #59cd9d;
  --color-brand-oklch: oklch(76.86% 0.1272 163.43);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(89 205 157 / 50%); }
/* Tailwind CSS */
<div class="bg-[#59cd9d] text-[#59cd9d] border-[#59cd9d]">