#3F5A0F#3F5A0F

#3F5A0F is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.0% C 0.104 H 128.1°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F5A0F
RGB	rgb(63, 90, 15)
HSL	hsl(82, 71%, 21%)
HSV	hsv(82, 83%, 35%)
CMYK	cmyk(30%, 0%, 83.3%, 64.7%)
CIE-LAB	lab(34.81, -22.24, 36.95)
CIE-LCH	lch(34.81, 43.13, 121.05°)
OKLab	oklab(43.05% -0.0639 0.0816)
OKLCH	oklch(43.05% 0.104 128.1)
XYZ	xyz(5.7923, 8.4034, 1.7687)
Luminance	0.0840 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5A0F #2A0F5A

analogous

#5A4F0F #3F5A0F #195A0F

triadic

#3F5A0F #0F3F5A #5A0F3F

tetradic

#3F5A0F #0F5A4F #2A0F5A #5A0F19

square

#3F5A0F #0F5A4F #2A0F5A #5A0F19

split-complementary

#3F5A0F #0F195A #4F0F5A

monochromatic

#121A04 #1A2606 #3F5A0F #648E18 #88C320

Accessibility & contrast

On white

7.83

#3F5A0F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F5A0F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5A0F

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5A0F	#FFFFFF	#000000	##FFFFFF
##3F5A0F	1.00	7.83	2.68	7.83
#FFFFFF	7.83	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5300

Deuteranopia (green-blind)

#5B5117

Tritanopia (blue-blind)

#42564C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f5a0f;
/* rgb */ color: rgb(63, 90, 15);
/* oklch */ color: oklch(43.0% 0.104 128.1);

Tailwind

colors: {
  custom: {
    50: '#778854',
    500: '#3f5a0f',
    950: '#000000',
  },
}

SCSS

$custom: #3f5a0f;
$custom-light: #778854;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5a0f",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 15
  },
  "hsl": {
    "h": 81.6,
    "s": 71.429,
    "l": 20.588
  },
  "oklch": {
    "l": 0.4305,
    "c": 0.10366,
    "h": 128.1
  },
  "luminance": 0.08404
}

Semantic roles & 50–950 ramp

primary

#3F5A0F

secondary

#553194

accent

#3AEE7B

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5A0F

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

Preview Lab → · Contrast checker → · Palette generator →