#3F5A10#3F5A10

#3F5A10 is a dark, moderate yellow-green. Relative luminance 0.084; OKLCH L 43.1% C 0.103 H 128.1°. Best body text is #FFFFFF at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#3F5A10
RGB	rgb(63, 90, 16)
HSL	hsl(82, 70%, 21%)
HSV	hsv(82, 82%, 35%)
CMYK	cmyk(30%, 0%, 82.2%, 64.7%)
CIE-LAB	lab(34.82, -22.19, 36.60)
CIE-LCH	lch(34.82, 42.80, 121.23°)
OKLab	oklab(43.06% -0.0637 0.0811)
OKLCH	oklch(43.06% 0.103 128.1)
XYZ	xyz(5.7996, 8.4064, 1.8071)
Luminance	0.0841 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F5A10 #2B105A

analogous

#5A5010 #3F5A10 #1A5A10

triadic

#3F5A10 #103F5A #5A103F

tetradic

#3F5A10 #105A50 #2B105A #5A101A

square

#3F5A10 #105A50 #2B105A #5A101A

split-complementary

#3F5A10 #101A5A #50105A

monochromatic

#121A05 #1B2607 #3F5A10 #638E19 #88C222

Accessibility & contrast

On white

7.83

#3F5A10 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.68

#3F5A10 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3F5A10

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F5A10	#FFFFFF	#000000	##FFFFFF
##3F5A10	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)

#5F5301

Deuteranopia (green-blind)

#5B5117

Tritanopia (blue-blind)

#41564C

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #3f5a10;
/* rgb */ color: rgb(63, 90, 16);
/* oklch */ color: oklch(43.1% 0.103 128.1);

Tailwind

colors: {
  custom: {
    50: '#778855',
    500: '#3f5a10',
    950: '#000000',
  },
}

SCSS

$custom: #3f5a10;
$custom-light: #778855;
$custom-dark: #000000;

JSON

{
  "hex": "#3f5a10",
  "rgb": {
    "r": 63,
    "g": 90,
    "b": 16
  },
  "hsl": {
    "h": 81.892,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.43057,
    "c": 0.10308,
    "h": 128.1
  },
  "luminance": 0.08407
}

Semantic roles & 50–950 ramp

primary

#3F5A10

secondary

#563393

accent

#3BED7C

background

#F7F8F5

surface

#EDF0E9

border

#C8CBC5

text

#090B03

muted

#7B7C78

Preview Lab

Preview with #3F5A10

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

Preview Lab → · Contrast checker → · Palette generator →