#40B131#40B131

#40B131 is a light, vivid green. Relative luminance 0.328; OKLCH L 67.1% C 0.194 H 141.4°. Best body text is #000000 at 7.55:1 contrast (WCAG AA passes).

Color values

HEX	#40B131
RGB	rgb(64, 177, 49)
HSL	hsl(113, 57%, 44%)
HSV	hsv(113, 72%, 69%)
CMYK	cmyk(63.8%, 0%, 72.3%, 30.6%)
CIE-LAB	lab(63.96, -55.47, 53.21)
CIE-LCH	lch(63.96, 76.86, 136.19°)
OKLab	oklab(67.1% -0.1514 0.1207)
OKLCH	oklch(67.1% 0.194 141.4)
XYZ	xyz(18.3899, 32.7542, 8.2582)
Luminance	0.3276 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B131 #A231B1

analogous

#80B131 #40B131 #31B162

triadic

#40B131 #3140B1 #B13140

tetradic

#40B131 #3180B1 #A231B1 #B16231

square

#40B131 #3180B1 #A231B1 #B16231

split-complementary

#40B131 #6231B1 #B13180

monochromatic

#1D5116 #2F8124 #40B131 #5FCF51 #8BDC80

Accessibility & contrast

On white

2.78

#40B131 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.55

#40B131 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B131

7.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B131	#FFFFFF	#000000	##000000
##40B131	1.00	2.78	7.55	7.55
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.55	21.00	1.00	1.00
##000000	7.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A11B

Deuteranopia (green-blind)

#A8973E

Tritanopia (blue-blind)

#2CAB98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40b131;
/* rgb */ color: rgb(64, 177, 49);
/* oklch */ color: oklch(67.1% 0.194 141.4);

Tailwind

colors: {
  custom: {
    50: '#83c971',
    500: '#40b131',
    950: '#000000',
  },
}

SCSS

$custom: #40b131;
$custom-light: #83c971;
$custom-dark: #000000;

JSON

{
  "hex": "#40b131",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 49
  },
  "hsl": {
    "h": 112.969,
    "s": 56.637,
    "l": 44.314
  },
  "oklch": {
    "l": 0.671,
    "c": 0.19367,
    "h": 141.4
  },
  "luminance": 0.32756
}

Semantic roles & 50–950 ramp

primary

#40B131

secondary

#BC79C5

accent

#48E0CE

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40B131

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

Preview Lab → · Contrast checker → · Palette generator →