#3F8E12#3F8E12

#3F8E12 is a mid, vivid yellow-green. Relative luminance 0.204; OKLCH L 57.4% C 0.169 H 137.6°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#3F8E12
RGB	rgb(63, 142, 18)
HSL	hsl(98, 78%, 31%)
HSV	hsv(98, 87%, 56%)
CMYK	cmyk(55.6%, 0%, 87.3%, 44.3%)
CIE-LAB	lab(52.34, -44.90, 51.92)
CIE-LCH	lch(52.34, 68.65, 130.85°)
OKLab	oklab(57.43% -0.1246 0.1137)
OKLCH	oklch(57.43% 0.169 137.6)
XYZ	xyz(11.8317, 20.4455, 3.8950)
Luminance	0.2045 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F8E12 #61128E

analogous

#7D8E12 #3F8E12 #128E23

triadic

#3F8E12 #123F8E #8E123F

tetradic

#3F8E12 #127D8E #61128E #8E2312

square

#3F8E12 #127D8E #61128E #8E2312

split-complementary

#3F8E12 #23128E #8E127D

monochromatic

#0F2104 #27580B #3F8E12 #57C419 #75E535

Accessibility & contrast

On white

4.13

#3F8E12 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#3F8E12 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3F8E12

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F8E12	#FFFFFF	#000000	##000000
##3F8E12	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#938100

Deuteranopia (green-blind)

#897A23

Tritanopia (blue-blind)

#398978

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #3f8e12;
/* rgb */ color: rgb(63, 142, 18);
/* oklch */ color: oklch(57.4% 0.169 137.6);

Tailwind

colors: {
  custom: {
    50: '#7eb05e',
    500: '#3f8e12',
    950: '#000000',
  },
}

SCSS

$custom: #3f8e12;
$custom-light: #7eb05e;
$custom-dark: #000000;

JSON

{
  "hex": "#3f8e12",
  "rgb": {
    "r": 63,
    "g": 142,
    "b": 18
  },
  "hsl": {
    "h": 98.226,
    "s": 77.5,
    "l": 31.373
  },
  "oklch": {
    "l": 0.5743,
    "c": 0.16865,
    "h": 137.6
  },
  "luminance": 0.20446
}

Semantic roles & 50–950 ramp

primary

#3F8E12

secondary

#913AC2

accent

#34F4AE

background

#F8FAF5

surface

#EFF5EA

border

#CACFC6

text

#0B1005

muted

#7C7F79

Preview Lab

Preview with #3F8E12

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

Preview Lab → · Contrast checker → · Palette generator →