#40B570#40B570

#40B570 is a light, vivid green. Relative luminance 0.353; OKLCH L 69.0% C 0.146 H 153.8°. Best body text is #000000 at 8.06:1 contrast (WCAG AA passes).

Color values

HEX	#40B570
RGB	rgb(64, 181, 112)
HSL	hsl(145, 48%, 48%)
HSV	hsv(145, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 38.1%, 29%)
CIE-LAB	lab(65.99, -48.45, 25.79)
CIE-LCH	lch(65.99, 54.89, 151.97°)
OKLab	oklab(69.01% -0.1311 0.0644)
OKLCH	oklch(69.01% 0.146 153.8)
XYZ	xyz(21.5610, 35.3053, 21.0044)
Luminance	0.3531 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B570 #B54085

analogous

#4BB540 #40B570 #40B5AA

triadic

#40B570 #7040B5 #B57040

tetradic

#40B570 #404BB5 #B54085 #B5AA40

square

#40B570 #404BB5 #B54085 #B5AA40

split-complementary

#40B570 #AA40B5 #B5404B

monochromatic

#205B38 #308854 #40B570 #68CA90 #96DAB2

Accessibility & contrast

On white

2.60

#40B570 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.06

#40B570 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B570

8.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B570	#FFFFFF	#000000	##000000
##40B570	1.00	2.60	8.06	8.06
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.06	21.00	1.00	1.00
##000000	8.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A76B

Deuteranopia (green-blind)

#A69C74

Tritanopia (blue-blind)

#00B3A4

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b570;
/* rgb */ color: rgb(64, 181, 112);
/* oklch */ color: oklch(69.0% 0.146 153.8);

Tailwind

colors: {
  custom: {
    50: '#82cc99',
    500: '#40b570',
    950: '#000000',
  },
}

SCSS

$custom: #40b570;
$custom-light: #82cc99;
$custom-dark: #000000;

JSON

{
  "hex": "#40b570",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 112
  },
  "hsl": {
    "h": 144.615,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.69014,
    "c": 0.14605,
    "h": 153.8
  },
  "luminance": 0.35308
}

Semantic roles & 50–950 ramp

primary

#40B570

secondary

#C58BAE

accent

#50A0D7

background

#F8FCF9

surface

#F0F9F2

border

#CBD2CC

text

#0B130E

muted

#7C827E

Preview Lab

Preview with #40B570

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

Preview Lab → · Contrast checker → · Palette generator →