#3F5810#3F5810

#3F5810 is a dark, moderate yellow-green. Relative luminance 0.081; OKLCH L 42.5% C 0.100 H 127.4°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#3F5810
RGB	rgb(63, 88, 16)
HSL	hsl(81, 69%, 20%)
HSV	hsv(81, 82%, 35%)
CMYK	cmyk(28.4%, 0%, 81.8%, 65.5%)
CIE-LAB	lab(34.14, -21.16, 35.95)
CIE-LCH	lch(34.14, 41.72, 120.48°)
OKLab	oklab(42.51% -0.0609 0.0797)
OKLCH	oklch(42.51% 0.1 127.4)
XYZ	xyz(5.6332, 8.0735, 1.7517)
Luminance	0.0807 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5810 #291058

analogous

#584D10 #3F5810 #1B5810

triadic

#3F5810 #103F58 #58103F

tetradic

#3F5810 #10584D #291058 #58101B

square

#3F5810 #10584D #291058 #58101B

split-complementary

#3F5810 #101B58 #4D1058

monochromatic

#131A05 #1A2407 #3F5810 #648C19 #89C023

Accessibility & contrast

On white

8.03

#3F5810 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.61

#3F5810 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5810

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5810	#FFFFFF	#000000	##FFFFFF
##3F5810	1.00	8.03	2.61	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.61	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D5102

Deuteranopia (green-blind)

#595017

Tritanopia (blue-blind)

#42544A

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #3f5810;
/* rgb */ color: rgb(63, 88, 16);
/* oklch */ color: oklch(42.5% 0.100 127.4);

Tailwind

colors: {
  custom: {
    50: '#778755',
    500: '#3f5810',
    950: '#000000',
  },
}

SCSS

$custom: #3f5810;
$custom-light: #778755;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5810",
  "rgb": {
    "r": 63,
    "g": 88,
    "b": 16
  },
  "hsl": {
    "h": 80.833,
    "s": 69.231,
    "l": 20.392
  },
  "oklch": {
    "l": 0.42505,
    "c": 0.10029,
    "h": 127.4
  },
  "luminance": 0.08074
}

Semantic roles & 50–950 ramp

primary

#3F5810

secondary

#533291

accent

#3CEC79

background

#F7F8F5

surface

#EDEFE9

border

#C8CAC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5810

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

Preview Lab → · Contrast checker → · Palette generator →