#3F9013#3F9013

#3F9013 is a mid, vivid yellow-green. Relative luminance 0.210; OKLCH L 58.0% C 0.171 H 137.8°. Best body text is #000000 at 5.21:1 contrast (WCAG AA passes).

Color values

HEX	#3F9013
RGB	rgb(63, 144, 19)
HSL	hsl(99, 77%, 32%)
HSV	hsv(99, 87%, 56%)
CMYK	cmyk(56.3%, 0%, 86.8%, 43.5%)
CIE-LAB	lab(53.00, -45.62, 52.27)
CIE-LCH	lch(53.00, 69.38, 131.12°)
OKLab	oklab(57.98% -0.1265 0.1145)
OKLCH	oklch(57.98% 0.171 137.8)
XYZ	xyz(12.1403, 21.0493, 4.0391)
Luminance	0.2105 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F9013 #641390

analogous

#7E9013 #3F9013 #139026

triadic

#3F9013 #133F90 #90133F

tetradic

#3F9013 #137E90 #641390 #902613

square

#3F9013 #137E90 #641390 #902613

split-complementary

#3F9013 #261390 #90137E

monochromatic

#102405 #275A0C #3F9013 #57C61A #75E539

Accessibility & contrast

On white

4.03

#3F9013 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.21

#3F9013 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F9013

5.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F9013	#FFFFFF	#000000	##000000
##3F9013	1.00	4.03	5.21	5.21
#FFFFFF	4.03	1.00	21.00	21.00
#000000	5.21	21.00	1.00	1.00
##000000	5.21	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#958300

Deuteranopia (green-blind)

#8B7C24

Tritanopia (blue-blind)

#388B7A

Achromatopsia (no color)

#7F7F7F

Design tokens & code

CSS

--color: #3f9013;
/* rgb */ color: rgb(63, 144, 19);
/* oklch */ color: oklch(58.0% 0.171 137.8);

Tailwind

colors: {
  custom: {
    50: '#7eb15f',
    500: '#3f9013',
    950: '#000000',
  },
}

SCSS

$custom: #3f9013;
$custom-light: #7eb15f;
$custom-dark: #000000;

JSON

{
  "hex": "#3f9013",
  "rgb": {
    "r": 63,
    "g": 144,
    "b": 19
  },
  "hsl": {
    "h": 98.88,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.57981,
    "c": 0.17063,
    "h": 137.8
  },
  "luminance": 0.2105
}

Semantic roles & 50–950 ramp

primary

#3F9013

secondary

#943BC4

accent

#35F3B0

background

#F8FBF5

surface

#EFF6EA

border

#CAD0C6

text

#0B1105

muted

#7C8079

Preview Lab

Preview with #3F9013

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

Preview Lab → · Contrast checker → · Palette generator →