#3F751B#3F751B

#3F751B is a mid, vivid yellow-green. Relative luminance 0.139; OKLCH L 50.6% C 0.133 H 135.7°. Best body text is #FFFFFF at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#3F751B
RGB	rgb(63, 117, 27)
HSL	hsl(96, 63%, 28%)
HSV	hsv(96, 77%, 46%)
CMYK	cmyk(46.2%, 0%, 76.9%, 54.1%)
CIE-LAB	lab(44.03, -34.20, 41.41)
CIE-LCH	lch(44.03, 53.70, 129.55°)
OKLab	oklab(50.61% -0.0953 0.093)
OKLCH	oklch(50.61% 0.133 135.7)
XYZ	xyz(8.6088, 13.8580, 3.2579)
Luminance	0.1386 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F751B #511B75

analogous

#6C751B #3F751B #1B7524

triadic

#3F751B #1B3F75 #751B3F

tetradic

#3F751B #1B6C75 #511B75 #75241B

square

#3F751B #1B6C75 #511B75 #75241B

split-complementary

#3F751B #241B75 #751B6C

monochromatic

#0D1906 #244310 #3F751B #5AA726 #76D139

Accessibility & contrast

On white

5.57

#3F751B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.77

#3F751B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F751B

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F751B	#FFFFFF	#000000	##FFFFFF
##3F751B	1.00	5.57	3.77	5.57
#FFFFFF	5.57	1.00	21.00	1.00
#000000	3.77	21.00	1.00	21.00
##FFFFFF	5.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796B09

Deuteranopia (green-blind)

#726624

Tritanopia (blue-blind)

#3D7064

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f751b;
/* rgb */ color: rgb(63, 117, 27);
/* oklch */ color: oklch(50.6% 0.133 135.7);

Tailwind

colors: {
  custom: {
    50: '#799d5e',
    500: '#3f751b',
    950: '#000000',
  },
}

SCSS

$custom: #3f751b;
$custom-light: #799d5e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f751b",
  "rgb": {
    "r": 63,
    "g": 117,
    "b": 27
  },
  "hsl": {
    "h": 96,
    "s": 62.5,
    "l": 28.235
  },
  "oklch": {
    "l": 0.50606,
    "c": 0.13315,
    "h": 135.7
  },
  "luminance": 0.13858
}

Semantic roles & 50–950 ramp

primary

#3F751B

secondary

#8042A9

accent

#42E6A4

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #3F751B

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

Preview Lab → · Contrast checker → · Palette generator →