#4B801F#4B801F

#4B801F is a mid, vivid yellow-green. Relative luminance 0.170; OKLCH L 54.3% C 0.139 H 134.2°. Best body text is #FFFFFF at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#4B801F
RGB	rgb(75, 128, 31)
HSL	hsl(93, 61%, 31%)
HSV	hsv(93, 76%, 50%)
CMYK	cmyk(41.4%, 0%, 75.8%, 49.8%)
CIE-LAB	lab(48.30, -34.48, 44.32)
CIE-LCH	lch(48.30, 56.15, 127.88°)
OKLab	oklab(54.28% -0.0966 0.0995)
OKLCH	oklch(54.28% 0.139 134.2)
XYZ	xyz(10.8679, 17.0326, 4.0110)
Luminance	0.1703 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4B801F #541F80

analogous

#7B801F #4B801F #1F8024

triadic

#4B801F #1F4B80 #801F4B

tetradic

#4B801F #1F7B80 #541F80 #80241F

square

#4B801F #1F7B80 #541F80 #80241F

split-complementary

#4B801F #241F80 #801F7B

monochromatic

#111D07 #2E4F13 #4B801F #68B12B #86D247

Accessibility & contrast

On white

4.77

#4B801F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#4B801F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #4B801F

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4B801F	#FFFFFF	#000000	##FFFFFF
##4B801F	1.00	4.77	4.41	4.77
#FFFFFF	4.77	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#85750C

Deuteranopia (green-blind)

#7E7129

Tritanopia (blue-blind)

#4A7B6D

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #4b801f;
/* rgb */ color: rgb(75, 128, 31);
/* oklch */ color: oklch(54.3% 0.139 134.2);

Tailwind

colors: {
  custom: {
    50: '#82a562',
    500: '#4b801f',
    950: '#000000',
  },
}

SCSS

$custom: #4b801f;
$custom-light: #82a562;
$custom-dark: #000000;

JSON

{
  "hex": "#4b801f",
  "rgb": {
    "r": 75,
    "g": 128,
    "b": 31
  },
  "hsl": {
    "h": 92.784,
    "s": 61.006,
    "l": 31.176
  },
  "oklch": {
    "l": 0.54276,
    "c": 0.13866,
    "h": 134.2
  },
  "luminance": 0.17033
}

Semantic roles & 50–950 ramp

primary

#4B801F

secondary

#8248B3

accent

#44E49B

background

#F8FAF6

surface

#EFF4EB

border

#CACEC6

text

#0B0F05

muted

#7C7F7A

Preview Lab

Preview with #4B801F

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

Preview Lab → · Contrast checker → · Palette generator →