#3F5A17#3F5A17

#3F5A17 is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.098 H 128.9°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F5A17
RGB	rgb(63, 90, 23)
HSL	hsl(84, 59%, 22%)
HSV	hsv(84, 74%, 35%)
CMYK	cmyk(30%, 0%, 74.4%, 64.7%)
CIE-LAB	lab(34.86, -21.71, 33.82)
CIE-LCH	lch(34.86, 40.19, 122.70°)
OKLab	oklab(43.11% -0.0617 0.0764)
OKLCH	oklch(43.11% 0.098 128.9)
XYZ	xyz(5.8607, 8.4308, 2.1290)
Luminance	0.0843 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5A17 #32175A

analogous

#5A5417 #3F5A17 #1E5A17

triadic

#3F5A17 #173F5A #5A173F

tetradic

#3F5A17 #175A54 #32175A #5A171E

square

#3F5A17 #175A54 #32175A #5A171E

split-complementary

#3F5A17 #171E5A #54175A

monochromatic

#111806 #1D290B #3F5A17 #618B23 #83BB30

Accessibility & contrast

On white

7.82

#3F5A17 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.69

#3F5A17 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5A17

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5A17	#FFFFFF	#000000	##FFFFFF
##3F5A17	1.00	7.82	2.69	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.69	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F530D

Deuteranopia (green-blind)

#5B511D

Tritanopia (blue-blind)

#41564D

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f5a17;
/* rgb */ color: rgb(63, 90, 23);
/* oklch */ color: oklch(43.1% 0.098 128.9);

Tailwind

colors: {
  custom: {
    50: '#778859',
    500: '#3f5a17',
    950: '#000000',
  },
}

SCSS

$custom: #3f5a17;
$custom-light: #778859;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5a17",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 23
  },
  "hsl": {
    "h": 84.179,
    "s": 59.292,
    "l": 22.157
  },
  "oklch": {
    "l": 0.43113,
    "c": 0.09827,
    "h": 128.9
  },
  "luminance": 0.08431
}

Semantic roles & 50–950 ramp

primary

#3F5A17

secondary

#5E3C91

accent

#45E285

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B04

muted

#7B7C79

Preview Lab

Preview with #3F5A17

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

Preview Lab → · Contrast checker → · Palette generator →