#40B154#40B154

#40B154 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.5% C 0.167 H 146.7°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#40B154
RGB	rgb(64, 177, 84)
HSL	hsl(131, 47%, 47%)
HSV	hsv(131, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 52.5%, 30.6%)
CIE-LAB	lab(64.30, -51.55, 38.07)
CIE-LCH	lch(64.30, 64.09, 143.55°)
OKLab	oklab(67.49% -0.1393 0.0916)
OKLCH	oklch(67.49% 0.167 146.7)
XYZ	xyz(19.4354, 33.1724, 13.7645)
Luminance	0.3317 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B154 #B1409D

analogous

#65B140 #40B154 #40B18C

triadic

#40B154 #5440B1 #B15440

tetradic

#40B154 #4065B1 #B1409D #B18C40

square

#40B154 #4065B1 #B1409D #B18C40

split-complementary

#40B154 #8C40B1 #B14065

monochromatic

#1F5729 #30843F #40B154 #66C878 #93D89F

Accessibility & contrast

On white

2.75

#40B154 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#40B154 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B154

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B154	#FFFFFF	#000000	##000000
##40B154	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B3A24C

Deuteranopia (green-blind)

#A5985B

Tritanopia (blue-blind)

#20AD9C

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b154;
/* rgb */ color: rgb(64, 177, 84);
/* oklch */ color: oklch(67.5% 0.167 146.7);

Tailwind

colors: {
  custom: {
    50: '#81c986',
    500: '#40b154',
    950: '#000000',
  },
}

SCSS

$custom: #40b154;
$custom-light: #81c986;
$custom-dark: #000000;

JSON

{
  "hex": "#40b154",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 84
  },
  "hsl": {
    "h": 130.619,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.6749,
    "c": 0.16671,
    "h": 146.7
  },
  "luminance": 0.33174
}

Semantic roles & 50–950 ramp

primary

#40B154

secondary

#C389B9

accent

#51BFD7

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #40B154

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

Preview Lab → · Contrast checker → · Palette generator →