#3DCA21

A color in the Green family

#3dca21 is a color in the Green family: RGB(61, 202, 33), HSL(110°, 72%, 46%), CMYK(70%, 0%, 84%, 21%). Closest named color: limegreen. Contrast is 2.17:1 on white and 9.67:1 on black. See shades, harmonies and color-blindness simulation.

Color Codes

HEX#3dca21
RGBrgb(61 202 33)
RGB (legacy)rgb(61, 202, 33)
RGB %rgb(24% 79% 13%)
HSLhsl(110 72% 46%)
HSV / HSBhsv(110, 84%, 79%)
HWBhwb(110 13% 21%)
CMYKcmyk(70%, 0%, 84%, 21%)
CIELAB (D50)lab(71.87 -59.94 64.11)
LCHlch(71.87 87.77 133.08)
OKLaboklab(0.7354 -0.1787 0.1445)
OKLCHoklch(0.7354 0.2299 141.04)
Decimal4049441

Properties

Color ToneGreen
Closest named colorlimegreen ΔE 1
Closest web-safe color#33cc33
Hue110°
Saturation (HSL / HSV)72% / 84%
Lightness (HSL)46%
Brightness or Value (HSV)79%
Luminance (Rec.601 / Rec.709)55% / 63%
Relative luminance (WCAG)0.4334
Red / Green / Blue61 / 202 / 33

WCAG 2.2 Contrast Ratio

On White (#ffffff)
2.17:1
AA Normal (4.5:1) · FailAA Large (3:1) · FailAAA Normal (7:1) · Fail
On Black (#000000)
9.67:1
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 42.1 / -60.1 · As background with white / black text: Lc -46.8 / 61.8

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: #3dca21;
  --color-brand-oklch: oklch(73.54% 0.2299 141.04);
}
.text { color: var(--color-brand); }
.background { background-color: var(--color-brand); }
.border { border: 1px solid rgb(61 202 33 / 50%); }
/* Tailwind CSS */
<div class="bg-[#3dca21] text-[#3dca21] border-[#3dca21]">