#3F7523#3F7523

#3F7523 is a mid, vivid yellow-green. Relative luminance 0.139; OKLCH L 50.7% C 0.128 H 136.8°. Best body text is #FFFFFF at 5.56:1 contrast (WCAG AA passes).

Color values

HEX	#3F7523
RGB	rgb(63, 117, 35)
HSL	hsl(100, 54%, 30%)
HSV	hsv(100, 70%, 46%)
CMYK	cmyk(46.2%, 0%, 70.1%, 54.1%)
CIE-LAB	lab(44.09, -33.55, 38.17)
CIE-LCH	lch(44.09, 50.81, 131.31°)
OKLab	oklab(50.68% -0.093 0.0874)
OKLCH	oklch(50.68% 0.128 136.8)
XYZ	xyz(8.7143, 13.9002, 3.8136)
Luminance	0.1390 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F7523 #592375

analogous

#687523 #3F7523 #237530

triadic

#3F7523 #233F75 #75233F

tetradic

#3F7523 #236875 #592375 #753023

square

#3F7523 #236875 #592375 #753023

split-complementary

#3F7523 #302375 #752368

monochromatic

#0D1807 #264615 #3F7523 #58A431 #75C94A

Accessibility & contrast

On white

5.56

#3F7523 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#3F7523 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F7523

5.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F7523	#FFFFFF	#000000	##FFFFFF
##3F7523	1.00	5.56	3.78	5.56
#FFFFFF	5.56	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796B18

Deuteranopia (green-blind)

#72672A

Tritanopia (blue-blind)

#3C7164

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #3f7523;
/* rgb */ color: rgb(63, 117, 35);
/* oklch */ color: oklch(50.7% 0.128 136.8);

Tailwind

colors: {
  custom: {
    50: '#799d62',
    500: '#3f7523',
    950: '#000000',
  },
}

SCSS

$custom: #3f7523;
$custom-light: #799d62;
$custom-dark: #000000;

JSON

{
  "hex": "#3f7523",
  "rgb": {
    "r": 63,
    "g": 117,
    "b": 35
  },
  "hsl": {
    "h": 99.512,
    "s": 53.947,
    "l": 29.804
  },
  "oklch": {
    "l": 0.50676,
    "c": 0.12756,
    "h": 136.8
  },
  "luminance": 0.13901
}

Semantic roles & 50–950 ramp

primary

#3F7523

secondary

#884CA8

accent

#4ADDAB

background

#F7F9F6

surface

#EEF2EB

border

#C9CCC6

text

#090E05

muted

#7B7E7A

Preview Lab

Preview with #3F7523

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

Preview Lab → · Contrast checker → · Palette generator →