#3F741B#3F741B

#3F741B is a mid, vivid yellow-green. Relative luminance 0.136; OKLCH L 50.3% C 0.132 H 135.6°. Best body text is #FFFFFF at 5.64:1 contrast (WCAG AA passes).

Color values

HEX	#3F741B
RGB	rgb(63, 116, 27)
HSL	hsl(96, 62%, 28%)
HSV	hsv(96, 77%, 45%)
CMYK	cmyk(45.7%, 0%, 76.7%, 54.5%)
CIE-LAB	lab(43.69, -33.76, 41.07)
CIE-LCH	lch(43.69, 53.17, 129.42°)
OKLab	oklab(50.33% -0.0941 0.0923)
OKLCH	oklch(50.33% 0.132 135.6)
XYZ	xyz(8.4929, 13.6262, 3.2193)
Luminance	0.1363 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F741B #501B74

analogous

#6B741B #3F741B #1B7423

triadic

#3F741B #1B3F74 #741B3F

tetradic

#3F741B #1B6B74 #501B74 #74231B

square

#3F741B #1B6B74 #501B74 #74231B

split-complementary

#3F741B #231B74 #741B6B

monochromatic

#0D1906 #24420F #3F741B #5AA627 #76D139

Accessibility & contrast

On white

5.64

#3F741B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.73

#3F741B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F741B

5.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F741B	#FFFFFF	#000000	##FFFFFF
##3F741B	1.00	5.64	3.73	5.64
#FFFFFF	5.64	1.00	21.00	1.00
#000000	3.73	21.00	1.00	21.00
##FFFFFF	5.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#786A0A

Deuteranopia (green-blind)

#716624

Tritanopia (blue-blind)

#3D6F63

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #3f741b;
/* rgb */ color: rgb(63, 116, 27);
/* oklch */ color: oklch(50.3% 0.132 135.6);

Tailwind

colors: {
  custom: {
    50: '#799c5e',
    500: '#3f741b',
    950: '#000000',
  },
}

SCSS

$custom: #3f741b;
$custom-light: #799c5e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f741b",
  "rgb": {
    "r": 63,
    "g": 116,
    "b": 27
  },
  "hsl": {
    "h": 95.73,
    "s": 62.238,
    "l": 28.039
  },
  "oklch": {
    "l": 0.5033,
    "c": 0.13182,
    "h": 135.6
  },
  "luminance": 0.13627
}

Semantic roles & 50–950 ramp

primary

#3F741B

secondary

#7F42A9

accent

#42E5A3

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#090E05

muted

#7B7E79

Preview Lab

Preview with #3F741B

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

Preview Lab → · Contrast checker → · Palette generator →