#40B73B#40B73B

#40B73B is a light, vivid green. Relative luminance 0.353; OKLCH L 68.8% C 0.194 H 142.5°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#40B73B
RGB	rgb(64, 183, 59)
HSL	hsl(118, 51%, 47%)
HSV	hsv(118, 68%, 72%)
CMYK	cmyk(65%, 0%, 67.8%, 28.2%)
CIE-LAB	lab(65.96, -56.69, 51.38)
CIE-LCH	lch(65.96, 76.51, 137.81°)
OKLab	oklab(68.78% -0.1542 0.1181)
OKLCH	oklch(68.78% 0.194 142.5)
XYZ	xyz(19.8361, 35.2707, 9.8994)
Luminance	0.3527 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B73B #B23BB7

analogous

#7EB73B #40B73B #3BB774

triadic

#40B73B #3B40B7 #B73B40

tetradic

#40B73B #3B7EB7 #B23BB7 #B7743B

square

#40B73B #3B7EB7 #B23BB7 #B7743B

split-complementary

#40B73B #743BB7 #B73B7E

monochromatic

#205A1D #30892C #40B73B #67CD63 #94DC91

Accessibility & contrast

On white

2.61

#40B73B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#40B73B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B73B

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B73B	#FFFFFF	#000000	##000000
##40B73B	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA62A

Deuteranopia (green-blind)

#AD9D46

Tritanopia (blue-blind)

#27B29E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b73b;
/* rgb */ color: rgb(64, 183, 59);
/* oklch */ color: oklch(68.8% 0.194 142.5);

Tailwind

colors: {
  custom: {
    50: '#84ce77',
    500: '#40b73b',
    950: '#000000',
  },
}

SCSS

$custom: #40b73b;
$custom-light: #84ce77;
$custom-dark: #000000;

JSON

{
  "hex": "#40b73b",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 59
  },
  "hsl": {
    "h": 117.581,
    "s": 51.24,
    "l": 47.451
  },
  "oklch": {
    "l": 0.68777,
    "c": 0.19426,
    "h": 142.5
  },
  "luminance": 0.35273
}

Semantic roles & 50–950 ramp

primary

#40B73B

secondary

#C487C6

accent

#4DDBD5

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #40B73B

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

Preview Lab → · Contrast checker → · Palette generator →