#3F5A15#3F5A15

#3F5A15 is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.100 H 128.7°. Best body text is #FFFFFF at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#3F5A15
RGB	rgb(63, 90, 21)
HSL	hsl(83, 62%, 22%)
HSV	hsv(83, 77%, 35%)
CMYK	cmyk(30%, 0%, 76.7%, 64.7%)
CIE-LAB	lab(34.85, -21.86, 34.66)
CIE-LCH	lch(34.85, 40.98, 122.24°)
OKLab	oklab(43.1% -0.0623 0.0779)
OKLCH	oklch(43.1% 0.1 128.7)
XYZ	xyz(5.8414, 8.4231, 2.0274)
Luminance	0.0842 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5A15 #30155A

analogous

#5A5315 #3F5A15 #1D5A15

triadic

#3F5A15 #153F5A #5A153F

tetradic

#3F5A15 #155A53 #30155A #5A151D

square

#3F5A15 #155A53 #30155A #5A151D

split-complementary

#3F5A15 #151D5A #53155A

monochromatic

#111906 #1C2809 #3F5A15 #628C21 #84BD2C

Accessibility & contrast

On white

7.82

#3F5A15 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F5A15 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5A15

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5A15	#FFFFFF	#000000	##FFFFFF
##3F5A15	1.00	7.82	2.68	7.82
#FFFFFF	7.82	1.00	21.00	1.00
#000000	2.68	21.00	1.00	21.00
##FFFFFF	7.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F5309

Deuteranopia (green-blind)

#5B511B

Tritanopia (blue-blind)

#41564C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f5a15;
/* rgb */ color: rgb(63, 90, 21);
/* oklch */ color: oklch(43.1% 0.100 128.7);

Tailwind

colors: {
  custom: {
    50: '#778857',
    500: '#3f5a15',
    950: '#000000',
  },
}

SCSS

$custom: #3f5a15;
$custom-light: #778857;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5a15",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 21
  },
  "hsl": {
    "h": 83.478,
    "s": 62.162,
    "l": 21.765
  },
  "oklch": {
    "l": 0.43095,
    "c": 0.09976,
    "h": 128.7
  },
  "luminance": 0.08423
}

Semantic roles & 50–950 ramp

primary

#3F5A15

secondary

#5C3992

accent

#43E582

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5A15

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

Preview Lab → · Contrast checker → · Palette generator →