#40B54F#40B54F

#40B54F is a light, vivid green. Relative luminance 0.347; OKLCH L 68.5% C 0.176 H 145.5°. Best body text is #000000 at 7.94:1 contrast (WCAG AA passes).

Color values

HEX	#40B54F
RGB	rgb(64, 181, 79)
HSL	hsl(128, 48%, 48%)
HSV	hsv(128, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 56.4%, 29%)
CIE-LAB	lab(65.51, -53.72, 41.97)
CIE-LCH	lch(65.51, 68.17, 142.00°)
OKLab	oklab(68.47% -0.1453 0.0999)
OKLCH	oklch(68.47% 0.176 145.5)
XYZ	xyz(20.0482, 34.7002, 13.0369)
Luminance	0.3470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B54F #B540A6

analogous

#6CB540 #40B54F #40B589

triadic

#40B54F #4F40B5 #B54F40

tetradic

#40B54F #406CB5 #B540A6 #B58940

square

#40B54F #406CB5 #B540A6 #B58940

split-complementary

#40B54F #8940B5 #B5406C

monochromatic

#205B28 #30883B #40B54F #68CA75 #96DA9E

Accessibility & contrast

On white

2.64

#40B54F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.94

#40B54F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B54F

7.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B54F	#FFFFFF	#000000	##000000
##40B54F	1.00	2.64	7.94	7.94
#FFFFFF	2.64	1.00	21.00	21.00
#000000	7.94	21.00	1.00	1.00
##000000	7.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A545

Deuteranopia (green-blind)

#A99B57

Tritanopia (blue-blind)

#21B19E

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b54f;
/* rgb */ color: rgb(64, 181, 79);
/* oklch */ color: oklch(68.5% 0.176 145.5);

Tailwind

colors: {
  custom: {
    50: '#82cc83',
    500: '#40b54f',
    950: '#000000',
  },
}

SCSS

$custom: #40b54f;
$custom-light: #82cc83;
$custom-dark: #000000;

JSON

{
  "hex": "#40b54f",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 79
  },
  "hsl": {
    "h": 127.692,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.68473,
    "c": 0.17629,
    "h": 145.5
  },
  "luminance": 0.34702
}

Semantic roles & 50–950 ramp

primary

#40B54F

secondary

#C58BBE

accent

#50C6D7

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #40B54F

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

Preview Lab → · Contrast checker → · Palette generator →