#40B574#40B574

#40B574 is a light, vivid green. Relative luminance 0.354; OKLCH L 69.1% C 0.142 H 155.2°. Best body text is #000000 at 8.08:1 contrast (WCAG AA passes).

Color values

HEX	#40B574
RGB	rgb(64, 181, 116)
HSL	hsl(147, 48%, 48%)
HSV	hsv(147, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 35.9%, 29%)
CIE-LAB	lab(66.06, -47.68, 23.76)
CIE-LCH	lch(66.06, 53.27, 153.52°)
OKLab	oklab(69.1% -0.1292 0.0596)
OKLCH	oklch(69.1% 0.142 155.2)
XYZ	xyz(21.7887, 35.3964, 22.2035)
Luminance	0.3540 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B574 #B54081

analogous

#46B540 #40B574 #40B5AE

triadic

#40B574 #7440B5 #B57440

tetradic

#40B574 #4046B5 #B54081 #B5AE40

square

#40B574 #4046B5 #B54081 #B5AE40

split-complementary

#40B574 #AE40B5 #B54046

monochromatic

#205B3A #308857 #40B574 #68CA94 #96DAB4

Accessibility & contrast

On white

2.60

#40B574 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.08

#40B574 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B574

8.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B574	#FFFFFF	#000000	##000000
##40B574	1.00	2.60	8.08	8.08
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.08	21.00	1.00	1.00
##000000	8.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A770

Deuteranopia (green-blind)

#A59C78

Tritanopia (blue-blind)

#00B3A4

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b574;
/* rgb */ color: rgb(64, 181, 116);
/* oklch */ color: oklch(69.1% 0.142 155.2);

Tailwind

colors: {
  custom: {
    50: '#82cc9c',
    500: '#40b574',
    950: '#000000',
  },
}

SCSS

$custom: #40b574;
$custom-light: #82cc9c;
$custom-dark: #000000;

JSON

{
  "hex": "#40b574",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 116
  },
  "hsl": {
    "h": 146.667,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69095,
    "c": 0.14231,
    "h": 155.2
  },
  "luminance": 0.35399
}

Semantic roles & 50–950 ramp

primary

#40B574

secondary

#C58BAC

accent

#509BD7

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B574

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

Preview Lab → · Contrast checker → · Palette generator →