#73BB37#73BB37

#73BB37 is a light, vivid yellow-green. Relative luminance 0.395; OKLCH L 71.9% C 0.178 H 133.9°. Best body text is #000000 at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#73BB37
RGB	rgb(115, 187, 55)
HSL	hsl(93, 55%, 47%)
HSV	hsv(93, 71%, 73%)
CMYK	cmyk(38.5%, 0%, 70.6%, 26.7%)
CIE-LAB	lab(69.08, -44.13, 56.81)
CIE-LCH	lch(69.08, 71.94, 127.84°)
OKLab	oklab(71.86% -0.1236 0.1285)
OKLCH	oklch(71.86% 0.178 133.9)
XYZ	xyz(25.5297, 39.4601, 9.8851)
Luminance	0.3946 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#73BB37 #7F37BB

analogous

#B5BB37 #73BB37 #37BB3D

triadic

#73BB37 #3773BB #BB3773

tetradic

#73BB37 #37B5BB #7F37BB #BB3D37

square

#73BB37 #37B5BB #7F37BB #BB3D37

split-complementary

#73BB37 #3D37BB #BB37B5

monochromatic

#395C1B #568C29 #73BB37 #92D05F #B3DE8E

Accessibility & contrast

On white

2.36

#73BB37 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.89

#73BB37 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #73BB37

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##73BB37	#FFFFFF	#000000	##000000
##73BB37	1.00	2.36	8.89	8.89
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.89	21.00	1.00	1.00
##000000	8.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC22

Deuteranopia (green-blind)

#B8A743

Tritanopia (blue-blind)

#73B4A1

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #73bb37;
/* rgb */ color: rgb(115, 187, 55);
/* oklch */ color: oklch(71.9% 0.178 133.9);

Tailwind

colors: {
  custom: {
    50: '#a1d076',
    500: '#73bb37',
    950: '#000000',
  },
}

SCSS

$custom: #73bb37;
$custom-light: #a1d076;
$custom-dark: #000000;

JSON

{
  "hex": "#73bb37",
  "rgb": {
    "r": 115,
    "g": 187,
    "b": 55
  },
  "hsl": {
    "h": 92.727,
    "s": 54.545,
    "l": 47.451
  },
  "oklch": {
    "l": 0.71864,
    "c": 0.17827,
    "h": 133.9
  },
  "luminance": 0.39461
}

Semantic roles & 50–950 ramp

primary

#73BB37

secondary

#AA85C9

accent

#4ADE9B

background

#FAFCF7

surface

#F4F9ED

border

#CED2C8

text

#0F1409

muted

#7F827B

Preview Lab

Preview with #73BB37

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

Preview Lab → · Contrast checker → · Palette generator →