#3F530F#3F530F

#3F530F is a dark, moderate yellow-green. Relative luminance 0.073; OKLCH L 41.1% C 0.094 H 125.1°. Best body text is #FFFFFF at 8.55:1 contrast (WCAG AA passes).

Color values

HEX	#3F530F
RGB	rgb(63, 83, 15)
HSL	hsl(78, 69%, 19%)
HSV	hsv(78, 82%, 33%)
CMYK	cmyk(24.1%, 0%, 81.9%, 67.5%)
CIE-LAB	lab(32.43, -18.58, 34.71)
CIE-LCH	lch(32.43, 39.37, 118.17°)
OKLab	oklab(41.12% -0.0539 0.0769)
OKLCH	oklch(41.12% 0.094 125.1)
XYZ	xyz(5.2294, 7.2777, 1.5811)
Luminance	0.0728 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F530F #230F53

analogous

#53450F #3F530F #1D530F

triadic

#3F530F #0F3F53 #530F3F

tetradic

#3F530F #0F5345 #230F53 #530F1D

square

#3F530F #0F5345 #230F53 #530F1D

split-complementary

#3F530F #0F1D53 #450F53

monochromatic

#141A05 #181F06 #3F530F #668718 #8EBB22

Accessibility & contrast

On white

8.55

#3F530F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.46

#3F530F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F530F

8.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F530F	#FFFFFF	#000000	##FFFFFF
##3F530F	1.00	8.55	2.46	8.55
#FFFFFF	8.55	1.00	21.00	1.00
#000000	2.46	21.00	1.00	21.00
##FFFFFF	8.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#584D02

Deuteranopia (green-blind)

#554C15

Tritanopia (blue-blind)

#424F46

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #3f530f;
/* rgb */ color: rgb(63, 83, 15);
/* oklch */ color: oklch(41.1% 0.094 125.1);

Tailwind

colors: {
  custom: {
    50: '#778353',
    500: '#3f530f',
    950: '#000000',
  },
}

SCSS

$custom: #3f530f;
$custom-light: #778353;
$custom-dark: #000000;

JSON

{
  "hex": "#3f530f",
  "rgb": {
    "r": 63,
    "g": 83,
    "b": 15
  },
  "hsl": {
    "h": 77.647,
    "s": 69.388,
    "l": 19.216
  },
  "oklch": {
    "l": 0.4112,
    "c": 0.09394,
    "h": 125.1
  },
  "luminance": 0.07278
}

Semantic roles & 50–950 ramp

primary

#3F530F

secondary

#4C318D

accent

#3CEC70

background

#F7F8F4

surface

#EDEFE8

border

#C8CAC4

text

#090A03

muted

#7B7C78

Preview Lab

Preview with #3F530F

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

Preview Lab → · Contrast checker → · Palette generator →