#40D040#40D040

#40D040 is a light, highly saturated green. Relative luminance 0.466; OKLCH L 75.4% C 0.220 H 143.0°. Best body text is #000000 at 10.31:1 contrast (WCAG AA passes).

Color values

HEX	#40D040
RGB	rgb(64, 208, 64)
HSL	hsl(120, 61%, 53%)
HSV	hsv(120, 69%, 82%)
CMYK	cmyk(69.2%, 0%, 69.2%, 18.4%)
CIE-LAB	lab(73.91, -64.68, 57.85)
CIE-LCH	lch(73.91, 86.77, 138.19°)
OKLab	oklab(75.38% -0.1756 0.1323)
OKLCH	oklch(75.38% 0.22 143)
XYZ	xyz(25.5941, 46.5691, 12.4894)
Luminance	0.4657 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40D040 #D040D0

analogous

#88D040 #40D040 #40D088

triadic

#40D040 #4040D0 #D04040

tetradic

#40D040 #4088D0 #D040D0 #D08840

square

#40D040 #4088D0 #D040D0 #D08840

split-complementary

#40D040 #8840D0 #D04088

monochromatic

#1E781E #2AA92A #40D040 #71DC71 #A2E8A2

Accessibility & contrast

On white

2.04

#40D040 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.31

#40D040 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40D040

10.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40D040	#FFFFFF	#000000	##000000
##40D040	1.00	2.04	10.31	10.31
#FFFFFF	2.04	1.00	21.00	21.00
#000000	10.31	21.00	1.00	1.00
##000000	10.31	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BD2A

Deuteranopia (green-blind)

#C4B14E

Tritanopia (blue-blind)

#14CAB3

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #40d040;
/* rgb */ color: rgb(64, 208, 64);
/* oklch */ color: oklch(75.4% 0.220 143.0);

Tailwind

colors: {
  custom: {
    50: '#88e07c',
    500: '#40d040',
    950: '#000000',
  },
}

SCSS

$custom: #40d040;
$custom-light: #88e07c;
$custom-dark: #000000;

JSON

{
  "hex": "#40d040",
  "rgb": {
    "r": 64,
    "g": 208,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 60.504,
    "l": 53.333
  },
  "oklch": {
    "l": 0.75379,
    "c": 0.21987,
    "h": 143
  },
  "luminance": 0.46572
}

Semantic roles & 50–950 ramp

primary

#40D040

secondary

#D597D5

accent

#44E4E4

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #40D040

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

Preview Lab → · Contrast checker → · Palette generator →