#3FD39D

A color in the Cyan, Emerald family

#3fd39d is a color in the Cyan, Emerald family: RGB(63, 211, 157), HSL(158°, 63%, 54%), CMYK(70%, 0%, 26%, 17%). Closest named color: mediumaquamarine. Contrast is 1.91:1 on white and 11.02:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#3fd39d
RGBrgb(63 211 157)
RGB (legacy)rgb(63, 211, 157)
RGB %rgb(25% 83% 62%)
HSLhsl(158 63% 54%)
HSV / HSBhsv(158, 70%, 83%)
HWBhwb(158 25% 17%)
CMYKcmyk(70%, 0%, 26%, 17%)
CIELAB (D50)lab(75.98 -49.99 15.09)
LCHlch(75.98 52.22 163.2)
OKLaboklab(0.7761 -0.1411 0.0401)
OKLCHoklch(0.7761 0.1466 164.14)
Decimal4182941

Properties

Color ToneCyan, Emerald
Closest named colormediumaquamarine ΔE 3.8
Closest web-safe color#33cc99
Hue158°
Saturation (HSL / HSV)63% / 70%
Lightness (HSL)54%
Brightness or Value (HSV)83%
Luminance (Rec.601 / Rec.709)63% / 69%
Relative luminance (WCAG)0.5008
Red / Green / Blue63 / 211 / 157

WCAG 2.2 Contrast Ratio

On White (#ffffff)
1.91:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
11.02:1
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 35.9 / -66.6 · As background with white / black text: Lc -40.2 / 68

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: #3fd39d;
  --color-brand-oklch: oklch(77.61% 0.1466 164.14);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(63 211 157 / 50%); }
/* Tailwind CSS */
<div class="bg-[#3fd39d] text-[#3fd39d] border-[#3fd39d]">