#40B155#40B155

#40B155 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.5% C 0.166 H 146.9°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#40B155
RGB	rgb(64, 177, 85)
HSL	hsl(131, 47%, 47%)
HSV	hsv(131, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 52%, 30.6%)
CIE-LAB	lab(64.31, -51.41, 37.59)
CIE-LCH	lch(64.31, 63.69, 143.82°)
OKLab	oklab(67.5% -0.1389 0.0906)
OKLCH	oklch(67.5% 0.166 146.9)
XYZ	xyz(19.4749, 33.1882, 13.9722)
Luminance	0.3319 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B155 #B1409C

analogous

#64B140 #40B155 #40B18D

triadic

#40B155 #5540B1 #B15540

tetradic

#40B155 #4064B1 #B1409C #B18D40

square

#40B155 #4064B1 #B1409C #B18D40

split-complementary

#40B155 #8D40B1 #B14064

monochromatic

#1F572A #30843F #40B155 #66C878 #93D8A0

Accessibility & contrast

On white

2.75

#40B155 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#40B155 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B155

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B155	#FFFFFF	#000000	##000000
##40B155	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A24D

Deuteranopia (green-blind)

#A5985C

Tritanopia (blue-blind)

#20AD9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b155;
/* rgb */ color: rgb(64, 177, 85);
/* oklch */ color: oklch(67.5% 0.166 146.9);

Tailwind

colors: {
  custom: {
    50: '#81c987',
    500: '#40b155',
    950: '#000000',
  },
}

SCSS

$custom: #40b155;
$custom-light: #81c987;
$custom-dark: #000000;

JSON

{
  "hex": "#40b155",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 85
  },
  "hsl": {
    "h": 131.15,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67504,
    "c": 0.16581,
    "h": 146.9
  },
  "luminance": 0.3319
}

Semantic roles & 50–950 ramp

primary

#40B155

secondary

#C389B9

accent

#51BED7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #40B155

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

Preview Lab → · Contrast checker → · Palette generator →