#40B031#40B031

#40B031 is a light, vivid green. Relative luminance 0.324; OKLCH L 66.8% C 0.193 H 141.4°. Best body text is #000000 at 7.47:1 contrast (WCAG AA passes).

Color values

HEX	#40B031
RGB	rgb(64, 176, 49)
HSL	hsl(113, 56%, 44%)
HSV	hsv(113, 72%, 69%)
CMYK	cmyk(63.6%, 0%, 72.2%, 31%)
CIE-LAB	lab(63.64, -55.12, 52.88)
CIE-LCH	lch(63.64, 76.38, 136.19°)
OKLab	oklab(66.83% -0.1505 0.12)
OKLCH	oklch(66.83% 0.193 141.4)
XYZ	xyz(18.1931, 32.3606, 8.1926)
Luminance	0.3236 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B031 #A131B0

analogous

#80B031 #40B031 #31B062

triadic

#40B031 #3140B0 #B03140

tetradic

#40B031 #3180B0 #A131B0 #B06231

square

#40B031 #3180B0 #A131B0 #B06231

split-complementary

#40B031 #6231B0 #B03180

monochromatic

#1D5016 #2F8024 #40B031 #5FCE50 #8BDC80

Accessibility & contrast

On white

2.81

#40B031 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.47

#40B031 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B031

7.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B031	#FFFFFF	#000000	##000000
##40B031	1.00	2.81	7.47	7.47
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.47	21.00	1.00	1.00
##000000	7.47	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A01B

Deuteranopia (green-blind)

#A7973E

Tritanopia (blue-blind)

#2CAB97

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b031;
/* rgb */ color: rgb(64, 176, 49);
/* oklch */ color: oklch(66.8% 0.193 141.4);

Tailwind

colors: {
  custom: {
    50: '#83c971',
    500: '#40b031',
    950: '#000000',
  },
}

SCSS

$custom: #40b031;
$custom-light: #83c971;
$custom-dark: #000000;

JSON

{
  "hex": "#40b031",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 49
  },
  "hsl": {
    "h": 112.913,
    "s": 56.444,
    "l": 44.118
  },
  "oklch": {
    "l": 0.66834,
    "c": 0.1925,
    "h": 141.4
  },
  "luminance": 0.32362
}

Semantic roles & 50–950 ramp

primary

#40B031

secondary

#BC78C5

accent

#48E0CE

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40B031

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

Preview Lab → · Contrast checker → · Palette generator →