#40B548#40B548

#40B548 is a light, vivid green. Relative luminance 0.346; OKLCH L 68.4% C 0.182 H 144.3°. Best body text is #000000 at 7.92:1 contrast (WCAG AA passes).

Color values

HEX	#40B548
RGB	rgb(64, 181, 72)
HSL	hsl(124, 48%, 48%)
HSV	hsv(124, 65%, 71%)
CMYK	cmyk(64.6%, 0%, 60.2%, 29%)
CIE-LAB	lab(65.44, -54.60, 45.15)
CIE-LCH	lch(65.44, 70.85, 140.41°)
OKLab	oklab(68.38% -0.1479 0.1062)
OKLCH	oklch(68.38% 0.182 144.3)
XYZ	xyz(19.8067, 34.6036, 11.7650)
Luminance	0.3461 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B548 #B540AD

analogous

#72B540 #40B548 #40B583

triadic

#40B548 #4840B5 #B54840

tetradic

#40B548 #4072B5 #B540AD #B58340

square

#40B548 #4072B5 #B540AD #B58340

split-complementary

#40B548 #8340B5 #B54072

monochromatic

#205B24 #308836 #40B548 #68CA6F #96DA9A

Accessibility & contrast

On white

2.65

#40B548 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.92

#40B548 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B548

7.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B548	#FFFFFF	#000000	##000000
##40B548	1.00	2.65	7.92	7.92
#FFFFFF	2.65	1.00	21.00	21.00
#000000	7.92	21.00	1.00	1.00
##000000	7.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A53C

Deuteranopia (green-blind)

#AA9B51

Tritanopia (blue-blind)

#24B09D

Achromatopsia (no color)

#9F9F9F

Design tokens & code

CSS

--color: #40b548;
/* rgb */ color: rgb(64, 181, 72);
/* oklch */ color: oklch(68.4% 0.182 144.3);

Tailwind

colors: {
  custom: {
    50: '#83cc7f',
    500: '#40b548',
    950: '#000000',
  },
}

SCSS

$custom: #40b548;
$custom-light: #83cc7f;
$custom-dark: #000000;

JSON

{
  "hex": "#40b548",
  "rgb": {
    "r": 64,
    "g": 181,
    "b": 72
  },
  "hsl": {
    "h": 124.103,
    "s": 47.755,
    "l": 48.039
  },
  "oklch": {
    "l": 0.68385,
    "c": 0.1821,
    "h": 144.3
  },
  "luminance": 0.34606
}

Semantic roles & 50–950 ramp

primary

#40B548

secondary

#C58BC1

accent

#50CED7

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #40B548

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

Preview Lab → · Contrast checker → · Palette generator →