#3F720F#3F720F

#3F720F is a mid, vivid yellow-green. Relative luminance 0.131; OKLCH L 49.7% C 0.136 H 134.2°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#3F720F
RGB	rgb(63, 114, 15)
HSL	hsl(91, 77%, 25%)
HSV	hsv(91, 87%, 45%)
CMYK	cmyk(44.7%, 0%, 86.8%, 55.3%)
CIE-LAB	lab(42.95, -33.59, 44.38)
CIE-LCH	lch(42.95, 55.66, 127.12°)
OKLab	oklab(49.7% -0.0945 0.0973)
OKLCH	oklch(49.7% 0.136 134.2)
XYZ	xyz(8.1533, 13.1254, 2.5557)
Luminance	0.1313 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F720F #420F72

analogous

#70720F #3F720F #0F7210

triadic

#3F720F #0F3F72 #720F3F

tetradic

#3F720F #0F7072 #420F72 #72100F

square

#3F720F #0F7072 #420F72 #72100F

split-complementary

#3F720F #100F72 #720F70

monochromatic

#0F1B04 #213C08 #3F720F #5DA816 #7BDE1D

Accessibility & contrast

On white

5.79

#3F720F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#3F720F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F720F

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F720F	#FFFFFF	#000000	##FFFFFF
##3F720F	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#776800

Deuteranopia (green-blind)

#70641B

Tritanopia (blue-blind)

#3E6D60

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #3f720f;
/* rgb */ color: rgb(63, 114, 15);
/* oklch */ color: oklch(49.7% 0.136 134.2);

Tailwind

colors: {
  custom: {
    50: '#7a9b58',
    500: '#3f720f',
    950: '#000000',
  },
}

SCSS

$custom: #3f720f;
$custom-light: #7a9b58;
$custom-dark: #000000;

JSON

{
  "hex": "#3f720f",
  "rgb": {
    "r": 63,
    "g": 114,
    "b": 15
  },
  "hsl": {
    "h": 90.909,
    "s": 76.744,
    "l": 25.294
  },
  "oklch": {
    "l": 0.49702,
    "c": 0.13561,
    "h": 134.2
  },
  "luminance": 0.13126
}

Semantic roles & 50–950 ramp

primary

#3F720F

secondary

#7033AA

accent

#35F397

background

#F7F9F5

surface

#EEF2E9

border

#C9CCC5

text

#0A0E04

muted

#7C7E79

Preview Lab

Preview with #3F720F

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

Preview Lab → · Contrast checker → · Palette generator →