#40B041#40B041

#40B041 is a light, vivid green. Relative luminance 0.325; OKLCH L 67.0% C 0.181 H 143.3°. Best body text is #000000 at 7.50:1 contrast (WCAG AA passes).

Color values

HEX	#40B041
RGB	rgb(64, 176, 65)
HSL	hsl(121, 47%, 47%)
HSV	hsv(121, 64%, 69%)
CMYK	cmyk(63.6%, 0%, 63.1%, 31%)
CIE-LAB	lab(63.77, -53.59, 46.41)
CIE-LCH	lch(63.77, 70.90, 139.10°)
OKLab	oklab(66.99% -0.1455 0.1083)
OKLCH	oklch(66.99% 0.181 143.3)
XYZ	xyz(18.5927, 32.5205, 10.2973)
Luminance	0.3252 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B041 #B040AF

analogous

#77B040 #40B041 #40B079

triadic

#40B041 #4140B0 #B04140

tetradic

#40B041 #4077B0 #B040AF #B07940

square

#40B041 #4077B0 #B040AF #B07940

split-complementary

#40B041 #7940B0 #B04077

monochromatic

#1F5620 #308330 #40B041 #66C767 #93D893

Accessibility & contrast

On white

2.80

#40B041 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.50

#40B041 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B041

7.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B041	#FFFFFF	#000000	##000000
##40B041	1.00	2.80	7.50	7.50
#FFFFFF	2.80	1.00	21.00	21.00
#000000	7.50	21.00	1.00	1.00
##000000	7.50	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A034

Deuteranopia (green-blind)

#A6974A

Tritanopia (blue-blind)

#28AB99

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b041;
/* rgb */ color: rgb(64, 176, 65);
/* oklch */ color: oklch(67.0% 0.181 143.3);

Tailwind

colors: {
  custom: {
    50: '#82c97a',
    500: '#40b041',
    950: '#000000',
  },
}

SCSS

$custom: #40b041;
$custom-light: #82c97a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b041",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 65
  },
  "hsl": {
    "h": 120.536,
    "s": 46.667,
    "l": 47.059
  },
  "oklch": {
    "l": 0.66985,
    "c": 0.18136,
    "h": 143.3
  },
  "luminance": 0.32522
}

Semantic roles & 50–950 ramp

primary

#40B041

secondary

#C389C2

accent

#51D5D6

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B041

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

Preview Lab → · Contrast checker → · Palette generator →