#73B431#73B431

#73B431 is a light, vivid yellow-green. Relative luminance 0.365; OKLCH L 70.1% C 0.173 H 132.5°. Best body text is #000000 at 8.30:1 contrast (WCAG AA passes).

Color values

HEX	#73B431
RGB	rgb(115, 180, 49)
HSL	hsl(90, 57%, 45%)
HSV	hsv(90, 73%, 71%)
CMYK	cmyk(36.1%, 0%, 72.8%, 29.4%)
CIE-LAB	lab(66.91, -41.56, 56.83)
CIE-LCH	lch(66.91, 70.41, 126.18°)
OKLab	oklab(70.07% -0.1171 0.1277)
OKLCH	oklch(70.07% 0.173 132.5)
XYZ	xyz(23.9456, 36.5081, 8.6902)
Luminance	0.3651 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73B431 #7231B4

analogous

#B4B331 #73B431 #32B431

triadic

#73B431 #3173B4 #B43173

tetradic

#73B431 #31B4B3 #7231B4 #B43132

square

#73B431 #31B4B3 #7231B4 #B43132

split-complementary

#73B431 #3132B4 #B331B4

monochromatic

#365417 #548424 #73B431 #92D052 #B0DD82

Accessibility & contrast

On white

2.53

#73B431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.30

#73B431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #73B431

8.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73B431	#FFFFFF	#000000	##000000
##73B431	1.00	2.53	8.30	8.30
#FFFFFF	2.53	1.00	21.00	21.00
#000000	8.30	21.00	1.00	1.00
##000000	8.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA619

Deuteranopia (green-blind)

#B3A13D

Tritanopia (blue-blind)

#74AD9B

Achromatopsia (no color)

#A3A3A3

Design tokens & code

CSS

--color: #73b431;
/* rgb */ color: rgb(115, 180, 49);
/* oklch */ color: oklch(70.1% 0.173 132.5);

Tailwind

colors: {
  custom: {
    50: '#a0cb72',
    500: '#73b431',
    950: '#000000',
  },
}

SCSS

$custom: #73b431;
$custom-light: #a0cb72;
$custom-dark: #000000;

JSON

{
  "hex": "#73b431",
  "rgb": {
    "r": 115,
    "g": 180,
    "b": 49
  },
  "hsl": {
    "h": 89.771,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.70073,
    "c": 0.17322,
    "h": 132.5
  },
  "luminance": 0.36509
}

Semantic roles & 50–950 ramp

primary

#73B431

secondary

#A07BC6

accent

#47E093

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#0F1308

muted

#7F827B

Preview Lab

Preview with #73B431

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

Preview Lab → · Contrast checker → · Palette generator →