#3FA11B#3FA11B

#3FA11B is a light, vivid green. Relative luminance 0.266; OKLCH L 62.6% C 0.187 H 139.3°. Best body text is #000000 at 6.33:1 contrast (WCAG AA passes).

Color values

HEX	#3FA11B
RGB	rgb(63, 161, 27)
HSL	hsl(104, 71%, 37%)
HSV	hsv(104, 83%, 63%)
CMYK	cmyk(60.9%, 0%, 83.2%, 36.9%)
CIE-LAB	lab(58.63, -51.51, 55.25)
CIE-LCH	lch(58.63, 75.53, 132.99°)
OKLab	oklab(62.64% -0.1418 0.1219)
OKLCH	oklch(62.64% 0.187 139.3)
XYZ	xyz(14.9920, 26.6243, 5.3856)
Luminance	0.2663 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FA11B #7D1BA1

analogous

#82A11B #3FA11B #1BA13A

triadic

#3FA11B #1B3FA1 #A11B3F

tetradic

#3FA11B #1B82A1 #7D1BA1 #A13A1B

square

#3FA11B #1B82A1 #7D1BA1 #A13A1B

split-complementary

#3FA11B #3A1BA1 #A11B82

monochromatic

#163809 #2A6D12 #3FA11B #54D524 #7AE254

Accessibility & contrast

On white

3.32

#3FA11B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.33

#3FA11B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3FA11B

6.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FA11B	#FFFFFF	#000000	##000000
##3FA11B	1.00	3.32	6.33	6.33
#FFFFFF	3.32	1.00	21.00	21.00
#000000	6.33	21.00	1.00	1.00
##000000	6.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9A8A2C

Tritanopia (blue-blind)

#339B89

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #3fa11b;
/* rgb */ color: rgb(63, 161, 27);
/* oklch */ color: oklch(62.6% 0.187 139.3);

Tailwind

colors: {
  custom: {
    50: '#81be65',
    500: '#3fa11b',
    950: '#000000',
  },
}

SCSS

$custom: #3fa11b;
$custom-light: #81be65;
$custom-dark: #000000;

JSON

{
  "hex": "#3fa11b",
  "rgb": {
    "r": 63,
    "g": 161,
    "b": 27
  },
  "hsl": {
    "h": 103.881,
    "s": 71.277,
    "l": 36.863
  },
  "oklch": {
    "l": 0.62637,
    "c": 0.18705,
    "h": 139.3
  },
  "luminance": 0.26626
}

Semantic roles & 50–950 ramp

primary

#3FA11B

secondary

#A652C5

accent

#3AEEBE

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0B1206

muted

#7C817A

Preview Lab

Preview with #3FA11B

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

Preview Lab → · Contrast checker → · Palette generator →