#73BB31#73BB31

#73BB31 is a light, vivid yellow-green. Relative luminance 0.394; OKLCH L 71.8% C 0.182 H 133.4°. Best body text is #000000 at 8.88:1 contrast (WCAG AA passes).

Color values

HEX	#73BB31
RGB	rgb(115, 187, 49)
HSL	hsl(91, 58%, 46%)
HSV	hsv(91, 74%, 73%)
CMYK	cmyk(38.5%, 0%, 73.8%, 26.7%)
CIE-LAB	lab(69.04, -44.53, 58.95)
CIE-LCH	lch(69.04, 73.88, 127.07°)
OKLab	oklab(71.82% -0.1251 0.1321)
OKLCH	oklch(71.82% 0.182 133.4)
XYZ	xyz(25.3945, 39.4060, 9.1732)
Luminance	0.3941 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73BB31 #7931BB

analogous

#B8BB31 #73BB31 #31BB34

triadic

#73BB31 #3173BB #BB3173

tetradic

#73BB31 #31B8BB #7931BB #BB3431

square

#73BB31 #31B8BB #7931BB #BB3431

split-complementary

#73BB31 #3431BB #BB31B8

monochromatic

#375A18 #558B24 #73BB31 #92D356 #B1E087

Accessibility & contrast

On white

2.36

#73BB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.88

#73BB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #73BB31

8.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73BB31	#FFFFFF	#000000	##000000
##73BB31	1.00	2.36	8.88	8.88
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.88	21.00	1.00	1.00
##000000	8.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AC15

Deuteranopia (green-blind)

#B9A63F

Tritanopia (blue-blind)

#73B4A0

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #73bb31;
/* rgb */ color: rgb(115, 187, 49);
/* oklch */ color: oklch(71.8% 0.182 133.4);

Tailwind

colors: {
  custom: {
    50: '#a1d073',
    500: '#73bb31',
    950: '#000000',
  },
}

SCSS

$custom: #73bb31;
$custom-light: #a1d073;
$custom-dark: #000000;

JSON

{
  "hex": "#73bb31",
  "rgb": {
    "r": 115,
    "g": 187,
    "b": 49
  },
  "hsl": {
    "h": 91.304,
    "s": 58.475,
    "l": 46.275
  },
  "oklch": {
    "l": 0.7182,
    "c": 0.18196,
    "h": 133.4
  },
  "luminance": 0.39407
}

Semantic roles & 50–950 ramp

primary

#73BB31

secondary

#A67FC9

accent

#46E297

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#0F1409

muted

#7F827B

Preview Lab

Preview with #73BB31

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

Preview Lab → · Contrast checker → · Palette generator →