#3FAE21#3FAE21

#3FAE21 is a light, vivid green. Relative luminance 0.314; OKLCH L 66.2% C 0.199 H 140.2°. Best body text is #000000 at 7.29:1 contrast (WCAG AA passes).

Color values

HEX	#3FAE21
RGB	rgb(63, 174, 33)
HSL	hsl(107, 68%, 41%)
HSV	hsv(107, 81%, 68%)
CMYK	cmyk(63.8%, 0%, 81%, 31.8%)
CIE-LAB	lab(62.87, -55.75, 57.48)
CIE-LCH	lch(62.87, 80.07, 134.12°)
OKLab	oklab(66.16% -0.153 0.1275)
OKLCH	oklch(66.16% 0.199 140.2)
XYZ	xyz(17.4596, 31.4370, 6.5864)
Luminance	0.3144 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FAE21 #9021AE

analogous

#85AE21 #3FAE21 #21AE49

triadic

#3FAE21 #213FAE #AE213F

tetradic

#3FAE21 #2185AE #9021AE #AE4921

square

#3FAE21 #2185AE #9021AE #AE4921

split-complementary

#3FAE21 #4921AE #AE2185

monochromatic

#1A470D #2C7B17 #3FAE21 #57D834 #81E267

Accessibility & contrast

On white

2.88

#3FAE21 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.29

#3FAE21 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FAE21

7.29:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FAE21	#FFFFFF	#000000	##000000
##3FAE21	1.00	2.88	7.29	7.29
#FFFFFF	2.88	1.00	21.00	21.00
#000000	7.29	21.00	1.00	1.00
##000000	7.29	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E00

Deuteranopia (green-blind)

#A69532

Tritanopia (blue-blind)

#2EA894

Achromatopsia (no color)

#989898

Design tokens & code

CSS

--color: #3fae21;
/* rgb */ color: rgb(63, 174, 33);
/* oklch */ color: oklch(66.2% 0.199 140.2);

Tailwind

colors: {
  custom: {
    50: '#83c769',
    500: '#3fae21',
    950: '#000000',
  },
}

SCSS

$custom: #3fae21;
$custom-light: #83c769;
$custom-dark: #000000;

JSON

{
  "hex": "#3fae21",
  "rgb": {
    "r": 63,
    "g": 174,
    "b": 33
  },
  "hsl": {
    "h": 107.234,
    "s": 68.116,
    "l": 40.588
  },
  "oklch": {
    "l": 0.66164,
    "c": 0.1991,
    "h": 140.2
  },
  "luminance": 0.31439
}

Semantic roles & 50–950 ramp

primary

#3FAE21

secondary

#B263C8

accent

#3DEBC6

background

#F8FCF6

surface

#F0F8EB

border

#CBD1C6

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #3FAE21

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →