#40B271#40B271

#40B271 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.3% C 0.141 H 154.7°. Best body text is #000000 at 7.82:1 contrast (WCAG AA passes).

Color values

HEX	#40B271
RGB	rgb(64, 178, 113)
HSL	hsl(146, 47%, 47%)
HSV	hsv(146, 64%, 70%)
CMYK	cmyk(64%, 0%, 36.5%, 30.2%)
CIE-LAB	lab(65.06, -47.05, 24.02)
CIE-LCH	lch(65.06, 52.83, 152.95°)
OKLab	oklab(68.26% -0.1275 0.0602)
OKLCH	oklch(68.26% 0.141 154.7)
XYZ	xyz(21.0136, 34.1209, 21.0981)
Luminance	0.3412 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B271 #B24081

analogous

#48B240 #40B271 #40B2AA

triadic

#40B271 #7140B2 #B27140

tetradic

#40B271 #4048B2 #B24081 #B2AA40

square

#40B271 #4048B2 #B24081 #B2AA40

split-complementary

#40B271 #AA40B2 #B24048

monochromatic

#205838 #308554 #40B271 #67C891 #94D8B1

Accessibility & contrast

On white

2.68

#40B271 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.82

#40B271 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B271

7.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B271	#FFFFFF	#000000	##000000
##40B271	1.00	2.68	7.82	7.82
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.82	21.00	1.00	1.00
##000000	7.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B2A46D

Deuteranopia (green-blind)

#A39A75

Tritanopia (blue-blind)

#02B0A1

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b271;
/* rgb */ color: rgb(64, 178, 113);
/* oklch */ color: oklch(68.3% 0.141 154.7);

Tailwind

colors: {
  custom: {
    50: '#81ca9a',
    500: '#40b271',
    950: '#000000',
  },
}

SCSS

$custom: #40b271;
$custom-light: #81ca9a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b271",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 113
  },
  "hsl": {
    "h": 145.789,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.68258,
    "c": 0.14098,
    "h": 154.7
  },
  "luminance": 0.34123
}

Semantic roles & 50–950 ramp

primary

#40B271

secondary

#C48AAB

accent

#519DD7

background

#F8FCF9

surface

#F0F8F2

border

#CBD1CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B271

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

Preview Lab → · Contrast checker → · Palette generator →