#4C781B#4C781B

#4C781B is a mid, vivid yellow-green. Relative luminance 0.150; OKLCH L 52.2% C 0.130 H 131.9°. Best body text is #FFFFFF at 5.24:1 contrast (WCAG AA passes).

Color values

HEX	#4C781B
RGB	rgb(76, 120, 27)
HSL	hsl(88, 63%, 29%)
HSV	hsv(88, 78%, 47%)
CMYK	cmyk(36.7%, 0%, 77.5%, 52.9%)
CIE-LAB	lab(45.70, -30.74, 43.28)
CIE-LCH	lch(45.70, 53.08, 125.38°)
OKLab	oklab(52.16% -0.0869 0.0966)
OKLCH	oklch(52.16% 0.13 131.9)
XYZ	xyz(9.8947, 15.0482, 3.4199)
Luminance	0.1505 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4C781B #471B78

analogous

#78761B #4C781B #1E781B

triadic

#4C781B #1B4C78 #781B4C

tetradic

#4C781B #1B7876 #471B78 #781B1E

square

#4C781B #1B7876 #471B78 #781B1E

split-complementary

#4C781B #1B1E78 #761B78

monochromatic

#101906 #2C4610 #4C781B #6CAA26 #8BD33B

Accessibility & contrast

On white

5.24

#4C781B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.01

#4C781B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4C781B

5.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4C781B	#FFFFFF	#000000	##FFFFFF
##4C781B	1.00	5.24	4.01	5.24
#FFFFFF	5.24	1.00	21.00	1.00
#000000	4.01	21.00	1.00	21.00
##FFFFFF	5.24	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D6E07

Deuteranopia (green-blind)

#776B24

Tritanopia (blue-blind)

#4D7366

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #4c781b;
/* rgb */ color: rgb(76, 120, 27);
/* oklch */ color: oklch(52.2% 0.130 131.9);

Tailwind

colors: {
  custom: {
    50: '#829f5f',
    500: '#4c781b',
    950: '#000000',
  },
}

SCSS

$custom: #4c781b;
$custom-light: #829f5f;
$custom-dark: #000000;

JSON

{
  "hex": "#4c781b",
  "rgb": {
    "r": 76,
    "g": 120,
    "b": 27
  },
  "hsl": {
    "h": 88.387,
    "s": 63.265,
    "l": 28.824
  },
  "oklch": {
    "l": 0.52156,
    "c": 0.12994,
    "h": 131.9
  },
  "luminance": 0.15049
}

Semantic roles & 50–950 ramp

primary

#4C781B

secondary

#7543AC

accent

#41E68F

background

#F8F9F5

surface

#EFF2EA

border

#CACCC6

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #4C781B

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

Preview Lab → · Contrast checker → · Palette generator →