#3F8013#3F8013

#3F8013 is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.6% C 0.151 H 136.4°. Best body text is #FFFFFF at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#3F8013
RGB	rgb(63, 128, 19)
HSL	hsl(96, 74%, 29%)
HSV	hsv(96, 85%, 50%)
CMYK	cmyk(50.8%, 0%, 85.2%, 49.8%)
CIE-LAB	lab(47.68, -39.32, 47.51)
CIE-LCH	lch(47.68, 61.67, 129.62°)
OKLab	oklab(53.59% -0.1096 0.1045)
OKLCH	oklch(53.59% 0.151 136.4)
XYZ	xyz(9.8863, 16.5414, 3.2878)
Luminance	0.1654 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8013 #541380

analogous

#768013 #3F8013 #13801E

triadic

#3F8013 #133F80 #80133F

tetradic

#3F8013 #137680 #541380 #801E13

square

#3F8013 #137680 #541380 #801E13

split-complementary

#3F8013 #1E1380 #801376

monochromatic

#0D1B04 #254B0B #3F8013 #59B51B #76E02D

Accessibility & contrast

On white

4.87

#3F8013 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3F8013 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F8013

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8013	#FFFFFF	#000000	##FFFFFF
##3F8013	1.00	4.87	4.31	4.87
#FFFFFF	4.87	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857400

Deuteranopia (green-blind)

#7C6F21

Tritanopia (blue-blind)

#3C7B6D

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f8013;
/* rgb */ color: rgb(63, 128, 19);
/* oklch */ color: oklch(53.6% 0.151 136.4);

Tailwind

colors: {
  custom: {
    50: '#7ba55c',
    500: '#3f8013',
    950: '#000000',
  },
}

SCSS

$custom: #3f8013;
$custom-light: #7ba55c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8013",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 19
  },
  "hsl": {
    "h": 95.78,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.53591,
    "c": 0.15145,
    "h": 136.4
  },
  "luminance": 0.16542
}

Semantic roles & 50–950 ramp

primary

#3F8013

secondary

#8339B5

accent

#37F1A6

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F05

muted

#7C7F79

Preview Lab

Preview with #3F8013

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

Preview Lab → · Contrast checker → · Palette generator →