#3F781D#3F781D

#3F781D is a mid, vivid yellow-green. Relative luminance 0.146; OKLCH L 51.4% C 0.136 H 136.3°. Best body text is #FFFFFF at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#3F781D
RGB	rgb(63, 120, 29)
HSL	hsl(98, 61%, 29%)
HSV	hsv(98, 76%, 47%)
CMYK	cmyk(47.5%, 0%, 75.8%, 52.9%)
CIE-LAB	lab(45.05, -35.35, 41.65)
CIE-LCH	lch(45.05, 54.63, 130.32°)
OKLab	oklab(51.45% -0.0983 0.0938)
OKLCH	oklch(51.45% 0.136 136.3)
XYZ	xyz(8.9879, 14.5778, 3.5024)
Luminance	0.1458 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3F781D #561D78

analogous

#6D781D #3F781D #1D7828

triadic

#3F781D #1D3F78 #781D3F

tetradic

#3F781D #1D6D78 #561D78 #78281D

square

#3F781D #1D6D78 #561D78 #78281D

split-complementary

#3F781D #281D78 #781D6D

monochromatic

#0D1906 #254711 #3F781D #59A929 #75D13F

Accessibility & contrast

On white

5.36

#3F781D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.92

#3F781D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #3F781D

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3F781D	#FFFFFF	#000000	##FFFFFF
##3F781D	1.00	5.36	3.92	5.36
#FFFFFF	5.36	1.00	21.00	1.00
#000000	3.92	21.00	1.00	21.00
##FFFFFF	5.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C6E0C

Deuteranopia (green-blind)

#756926

Tritanopia (blue-blind)

#3C7366

Achromatopsia (no color)

#6B6B6B

Design tokens & code

CSS

--color: #3f781d;
/* rgb */ color: rgb(63, 120, 29);
/* oklch */ color: oklch(51.4% 0.136 136.3);

Tailwind

colors: {
  custom: {
    50: '#7a9f60',
    500: '#3f781d',
    950: '#000000',
  },
}

SCSS

$custom: #3f781d;
$custom-light: #7a9f60;
$custom-dark: #000000;

JSON

{
  "hex": "#3f781d",
  "rgb": {
    "r": 63,
    "g": 120,
    "b": 29
  },
  "hsl": {
    "h": 97.582,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.51449,
    "c": 0.13587,
    "h": 136.3
  },
  "luminance": 0.14578
}

Semantic roles & 50–950 ramp

primary

#3F781D

secondary

#8545AC

accent

#44E4A8

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#0A0E05

muted

#7C7E79

Preview Lab

Preview with #3F781D

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

Preview Lab → · Contrast checker → · Palette generator →