#4F781B#4F781B

#4F781B is a mid, vivid yellow-green. Relative luminance 0.152; OKLCH L 52.3% C 0.128 H 130.8°. Best body text is #FFFFFF at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#4F781B
RGB	rgb(79, 120, 27)
HSL	hsl(86, 63%, 29%)
HSV	hsv(86, 78%, 47%)
CMYK	cmyk(34.2%, 0%, 77.5%, 52.9%)
CIE-LAB	lab(45.87, -29.56, 43.50)
CIE-LCH	lch(45.87, 52.59, 124.20°)
OKLab	oklab(52.34% -0.0839 0.0971)
OKLCH	oklch(52.34% 0.128 130.8)
XYZ	xyz(10.1387, 15.1740, 3.4314)
Luminance	0.1517 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F781B #441B78

analogous

#78731B #4F781B #21781B

triadic

#4F781B #1B4F78 #781B4F

tetradic

#4F781B #1B7873 #441B78 #781B21

square

#4F781B #1B7873 #441B78 #781B21

split-complementary

#4F781B #1B2178 #731B78

monochromatic

#101906 #2E4610 #4F781B #70AA26 #90D33B

Accessibility & contrast

On white

5.20

#4F781B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.03

#4F781B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4F781B

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F781B	#FFFFFF	#000000	##FFFFFF
##4F781B	1.00	5.20	4.03	5.20
#FFFFFF	5.20	1.00	21.00	1.00
#000000	4.03	21.00	1.00	21.00
##FFFFFF	5.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F07

Deuteranopia (green-blind)

#786C24

Tritanopia (blue-blind)

#517366

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #4f781b;
/* rgb */ color: rgb(79, 120, 27);
/* oklch */ color: oklch(52.3% 0.128 130.8);

Tailwind

colors: {
  custom: {
    50: '#849f5f',
    500: '#4f781b',
    950: '#000000',
  },
}

SCSS

$custom: #4f781b;
$custom-light: #849f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#4f781b",
  "rgb": {
    "r": 79,
    "g": 120,
    "b": 27
  },
  "hsl": {
    "h": 86.452,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.52342,
    "c": 0.12827,
    "h": 130.8
  },
  "luminance": 0.15174
}

Semantic roles & 50–950 ramp

primary

#4F781B

secondary

#7143AC

accent

#41E68A

background

#F8F9F5

surface

#EFF2EA

border

#CACCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #4F781B

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

Preview Lab → · Contrast checker → · Palette generator →