#4D731B#4D731B

#4D731B is a mid, vivid yellow-green. Relative luminance 0.139; OKLCH L 50.9% C 0.123 H 130.4°. Best body text is #FFFFFF at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#4D731B
RGB	rgb(77, 115, 27)
HSL	hsl(86, 62%, 28%)
HSV	hsv(86, 77%, 45%)
CMYK	cmyk(33%, 0%, 76.5%, 54.9%)
CIE-LAB	lab(44.12, -27.98, 41.74)
CIE-LCH	lch(44.12, 50.26, 123.84°)
OKLab	oklab(50.88% -0.0795 0.0934)
OKLCH	oklch(50.88% 0.123 130.4)
XYZ	xyz(9.3891, 13.9181, 3.2285)
Luminance	0.1392 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4D731B #411B73

analogous

#736D1B #4D731B #21731B

triadic

#4D731B #1B4D73 #731B4D

tetradic

#4D731B #1B736D #411B73 #731B21

square

#4D731B #1B736D #411B73 #731B21

split-complementary

#4D731B #1B2173 #6D1B73

monochromatic

#111906 #2C410F #4D731B #6EA527 #8FD038

Accessibility & contrast

On white

5.55

#4D731B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.78

#4D731B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4D731B

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4D731B	#FFFFFF	#000000	##FFFFFF
##4D731B	1.00	5.55	3.78	5.55
#FFFFFF	5.55	1.00	21.00	1.00
#000000	3.78	21.00	1.00	21.00
##FFFFFF	5.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#796A0A

Deuteranopia (green-blind)

#736723

Tritanopia (blue-blind)

#4F6E62

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #4d731b;
/* rgb */ color: rgb(77, 115, 27);
/* oklch */ color: oklch(50.9% 0.123 130.4);

Tailwind

colors: {
  custom: {
    50: '#829b5e',
    500: '#4d731b',
    950: '#000000',
  },
}

SCSS

$custom: #4d731b;
$custom-light: #829b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#4d731b",
  "rgb": {
    "r": 77,
    "g": 115,
    "b": 27
  },
  "hsl": {
    "h": 85.909,
    "s": 61.972,
    "l": 27.843
  },
  "oklch": {
    "l": 0.50879,
    "c": 0.12263,
    "h": 130.4
  },
  "luminance": 0.13918
}

Semantic roles & 50–950 ramp

primary

#4D731B

secondary

#6E42A8

accent

#43E589

background

#F8F9F5

surface

#EFF2E9

border

#CACCC5

text

#0B0E05

muted

#7C7E79

Preview Lab

Preview with #4D731B

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

Preview Lab → · Contrast checker → · Palette generator →