#3F8011#3F8011

#3F8011 is a mid, vivid yellow-green. Relative luminance 0.165; OKLCH L 53.6% C 0.152 H 136.2°. Best body text is #FFFFFF at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#3F8011
RGB	rgb(63, 128, 17)
HSL	hsl(95, 77%, 28%)
HSV	hsv(95, 87%, 50%)
CMYK	cmyk(50.8%, 0%, 86.7%, 49.8%)
CIE-LAB	lab(47.67, -39.42, 48.04)
CIE-LCH	lch(47.67, 62.14, 129.37°)
OKLab	oklab(53.58% -0.11 0.1053)
OKLCH	oklch(53.58% 0.152 136.2)
XYZ	xyz(9.8700, 16.5349, 3.2017)
Luminance	0.1654 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8011 #521180

analogous

#768011 #3F8011 #11801A

triadic

#3F8011 #113F80 #80113F

tetradic

#3F8011 #117680 #521180 #801A11

square

#3F8011 #117680 #521180 #801A11

split-complementary

#3F8011 #1A1180 #801176

monochromatic

#0D1B04 #244A0A #3F8011 #5AB618 #76E329

Accessibility & contrast

On white

4.88

#3F8011 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.31

#3F8011 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F8011

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8011	#FFFFFF	#000000	##FFFFFF
##3F8011	1.00	4.88	4.31	4.88
#FFFFFF	4.88	1.00	21.00	1.00
#000000	4.31	21.00	1.00	21.00
##FFFFFF	4.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#857400

Deuteranopia (green-blind)

#7C6F20

Tritanopia (blue-blind)

#3C7B6C

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #3f8011;
/* rgb */ color: rgb(63, 128, 17);
/* oklch */ color: oklch(53.6% 0.152 136.2);

Tailwind

colors: {
  custom: {
    50: '#7ba55c',
    500: '#3f8011',
    950: '#000000',
  },
}

SCSS

$custom: #3f8011;
$custom-light: #7ba55c;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8011",
  "rgb": {
    "r": 63,
    "g": 128,
    "b": 17
  },
  "hsl": {
    "h": 95.135,
    "s": 76.552,
    "l": 28.431
  },
  "oklch": {
    "l": 0.53581,
    "c": 0.15228,
    "h": 136.2
  },
  "luminance": 0.16536
}

Semantic roles & 50–950 ramp

primary

#3F8011

secondary

#8137B6

accent

#35F3A4

background

#F7FAF5

surface

#EEF4E9

border

#C9CEC5

text

#0A0F04

muted

#7C7F79

Preview Lab

Preview with #3F8011

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

Preview Lab → · Contrast checker → · Palette generator →