#40E158#40E158

#40E158 is a light, highly saturated green. Relative luminance 0.556; OKLCH L 80.0% C 0.223 H 145.3°. Best body text is #000000 at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#40E158
RGB	rgb(64, 225, 88)
HSL	hsl(129, 73%, 57%)
HSV	hsv(129, 72%, 88%)
CMYK	cmyk(71.6%, 0%, 60.9%, 11.8%)
CIE-LAB	lab(79.41, -67.82, 54.03)
CIE-LCH	lch(79.41, 86.71, 141.46°)
OKLab	oklab(80% -0.1831 0.1267)
OKLCH	oklch(80% 0.223 145.3)
XYZ	xyz(30.7989, 55.6415, 18.3474)
Luminance	0.5565 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E158 #E140C9

analogous

#79E140 #40E158 #40E1A9

triadic

#40E158 #5840E1 #E15840

tetradic

#40E158 #4079E1 #E140C9 #E1A940

square

#40E158 #4079E1 #E140C9 #E1A940

split-complementary

#40E158 #A940E1 #E14079

monochromatic

#179029 #1FC538 #40E158 #75E986 #AAF2B4

Accessibility & contrast

On white

1.73

#40E158 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.13

#40E158 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E158

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E158	#FFFFFF	#000000	##000000
##40E158	1.00	1.73	12.13	12.13
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.13	21.00	1.00	1.00
##000000	12.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E5CD49

Deuteranopia (green-blind)

#D2C064

Tritanopia (blue-blind)

#00DBC4

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40e158;
/* rgb */ color: rgb(64, 225, 88);
/* oklch */ color: oklch(80.0% 0.223 145.3);

Tailwind

colors: {
  custom: {
    50: '#8bec8c',
    500: '#40e158',
    950: '#000000',
  },
}

SCSS

$custom: #40e158;
$custom-light: #8bec8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40e158",
  "rgb": {
    "r": 64,
    "g": 225,
    "b": 88
  },
  "hsl": {
    "h": 128.944,
    "s": 72.851,
    "l": 56.667
  },
  "oklch": {
    "l": 0.8,
    "c": 0.22265,
    "h": 145.3
  },
  "luminance": 0.55645
}

Semantic roles & 50–950 ramp

primary

#40E158

secondary

#953086

accent

#38D4F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #40E158

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

Preview Lab → · Contrast checker → · Palette generator →