#40B545#40B545

#40B545 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.4% C 0.184 H 143.9°. Best body text is #000000 at 7.91:1 contrast (WCAG AA passes).

Color values

HEX	#40B545
RGB	rgb(64, 181, 69)
HSL	hsl(123, 48%, 48%)
HSV	hsv(123, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 61.9%, 29%)
CIE-LAB	lab(65.41, -54.94, 46.48)
CIE-LCH	lch(65.41, 71.97, 139.77°)
OKLab	oklab(68.35% -0.149 0.1088)
OKLCH	oklch(68.35% 0.184 143.9)
XYZ	xyz(19.7112, 34.5654, 11.2621)
Luminance	0.3457 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B545 #B540B0

analogous

#75B540 #40B545 #40B57F

triadic

#40B545 #4540B5 #B54540

tetradic

#40B545 #4075B5 #B540B0 #B57F40

square

#40B545 #4075B5 #B540B0 #B57F40

split-complementary

#40B545 #7F40B5 #B54075

monochromatic

#205B23 #308834 #40B545 #68CA6D #96DA99

Accessibility & contrast

On white

2.65

#40B545 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.91

#40B545 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B545

7.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B545	#FFFFFF	#000000	##000000
##40B545	1.00	2.65	7.91	7.91
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.91	21.00	1.00	1.00
##000000	7.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A538

Deuteranopia (green-blind)

#AA9B4E

Tritanopia (blue-blind)

#25B09D

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b545;
/* rgb */ color: rgb(64, 181, 69);
/* oklch */ color: oklch(68.4% 0.184 143.9);

Tailwind

colors: {
  custom: {
    50: '#83cc7d',
    500: '#40b545',
    950: '#000000',
  },
}

SCSS

$custom: #40b545;
$custom-light: #83cc7d;
$custom-dark: #000000;

JSON

{
  "hex": "#40b545",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 69
  },
  "hsl": {
    "h": 122.564,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.68351,
    "c": 0.18447,
    "h": 143.9
  },
  "luminance": 0.34567
}

Semantic roles & 50–950 ramp

primary

#40B545

secondary

#C58BC3

accent

#50D2D7

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #40B545

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

Preview Lab → · Contrast checker → · Palette generator →