#3F9E2B#3F9E2B

#3F9E2B is a mid, vivid green. Relative luminance 0.257; OKLCH L 61.9% C 0.175 H 140.5°. Best body text is #000000 at 6.14:1 contrast (WCAG AA passes).

Color values

HEX	#3F9E2B
RGB	rgb(63, 158, 43)
HSL	hsl(110, 57%, 39%)
HSV	hsv(110, 73%, 62%)
CMYK	cmyk(60.1%, 0%, 72.8%, 38%)
CIE-LAB	lab(57.74, -49.36, 49.10)
CIE-LCH	lch(57.74, 69.62, 135.16°)
OKLab	oklab(61.93% -0.1352 0.1114)
OKLCH	oklch(61.93% 0.175 140.5)
XYZ	xyz(14.7121, 25.6836, 6.4672)
Luminance	0.2569 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9E2B #8A2B9E

analogous

#799E2B #3F9E2B #2B9E51

triadic

#3F9E2B #2B3F9E #9E2B3F

tetradic

#3F9E2B #2B799E #8A2B9E #9E512B

square

#3F9E2B #2B799E #8A2B9E #9E512B

split-complementary

#3F9E2B #512B9E #9E2B79

monochromatic

#193E11 #2C6E1E #3F9E2B #55CA3C #7FD76C

Accessibility & contrast

On white

3.42

#3F9E2B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.14

#3F9E2B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9E2B

6.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9E2B	#FFFFFF	#000000	##000000
##3F9E2B	1.00	3.42	6.14	6.14
#FFFFFF	3.42	1.00	21.00	21.00
#000000	6.14	21.00	1.00	1.00
##000000	6.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A29017

Deuteranopia (green-blind)

#968836

Tritanopia (blue-blind)

#329987

Achromatopsia (no color)

#8B8B8B

Design tokens & code

CSS

--color: #3f9e2b;
/* rgb */ color: rgb(63, 158, 43);
/* oklch */ color: oklch(61.9% 0.175 140.5);

Tailwind

colors: {
  custom: {
    50: '#7fbb6c',
    500: '#3f9e2b',
    950: '#000000',
  },
}

SCSS

$custom: #3f9e2b;
$custom-light: #7fbb6c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9e2b",
  "rgb": {
    "r": 63,
    "g": 158,
    "b": 43
  },
  "hsl": {
    "h": 109.565,
    "s": 57.214,
    "l": 39.412
  },
  "oklch": {
    "l": 0.61931,
    "c": 0.17517,
    "h": 140.5
  },
  "luminance": 0.25685
}

Semantic roles & 50–950 ramp

primary

#3F9E2B

secondary

#AF67BE

accent

#47E0C6

background

#F8FBF6

surface

#EFF6EC

border

#CAD0C7

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #3F9E2B

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

Preview Lab → · Contrast checker → · Palette generator →