#3F4E03#3F4E03

#3F4E03 is a dark, moderate yellow-green. Relative luminance 0.065; OKLCH L 39.7% C 0.094 H 121.6°. Best body text is #FFFFFF at 9.12:1 contrast (WCAG AA passes).

Color values

HEX	#3F4E03
RGB	rgb(63, 78, 3)
HSL	hsl(72, 93%, 16%)
HSV	hsv(72, 96%, 31%)
CMYK	cmyk(19.2%, 0%, 96.2%, 69.4%)
CIE-LAB	lab(30.67, -16.46, 37.35)
CIE-LCH	lch(30.67, 40.82, 113.79°)
OKLab	oklab(39.67% -0.0492 0.08)
OKLCH	oklch(39.67% 0.094 121.6)
XYZ	xyz(4.7908, 6.5121, 1.0907)
Luminance	0.0651 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F4E03 #12034E

analogous

#4E3703 #3F4E03 #194E03

triadic

#3F4E03 #033F4E #4E033F

tetradic

#3F4E03 #034E37 #12034E #4E0319

square

#3F4E03 #034E37 #12034E #4E0319

split-complementary

#3F4E03 #03194E #37034E

monochromatic

#181D01 #181D01 #3F4E03 #6F8905 #9EC408

Accessibility & contrast

On white

9.12

#3F4E03 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#3F4E03 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F4E03

9.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F4E03	#FFFFFF	#000000	##FFFFFF
##3F4E03	1.00	9.12	2.30	9.12
#FFFFFF	9.12	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544800

Deuteranopia (green-blind)

#52480C

Tritanopia (blue-blind)

#434941

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #3f4e03;
/* rgb */ color: rgb(63, 78, 3);
/* oklch */ color: oklch(39.7% 0.094 121.6);

Tailwind

colors: {
  custom: {
    50: '#777f4d',
    500: '#3f4e03',
    950: '#000000',
  },
}

SCSS

$custom: #3f4e03;
$custom-light: #777f4d;
$custom-dark: #000000;

JSON

{
  "hex": "#3f4e03",
  "rgb": {
    "r": 63,
    "g": 78,
    "b": 3
  },
  "hsl": {
    "h": 72,
    "s": 92.593,
    "l": 15.882
  },
  "oklch": {
    "l": 0.39674,
    "c": 0.0939,
    "h": 121.6
  },
  "luminance": 0.06512
}

Semantic roles & 50–950 ramp

primary

#3F4E03

secondary

#351E8E

accent

#29FF54

background

#F7F7F4

surface

#EDEEE7

border

#C8C9C3

text

#090A02

muted

#7B7C78

Preview Lab

Preview with #3F4E03

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

Preview Lab → · Contrast checker → · Palette generator →