#40E259#40E259

#40E259 is a light, highly saturated green. Relative luminance 0.562; OKLCH L 80.3% C 0.223 H 145.4°. Best body text is #000000 at 12.24:1 contrast (WCAG AA passes).

Color values

HEX	#40E259
RGB	rgb(64, 226, 89)
HSL	hsl(129, 74%, 57%)
HSV	hsv(129, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 60.6%, 11.4%)
CIE-LAB	lab(79.73, -68.03, 53.96)
CIE-LCH	lch(79.73, 86.84, 141.58°)
OKLab	oklab(80.27% -0.1836 0.1266)
OKLCH	oklch(80.27% 0.223 145.4)
XYZ	xyz(31.1117, 56.2005, 18.6574)
Luminance	0.5620 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E259 #E240C9

analogous

#78E240 #40E259 #40E2AA

triadic

#40E259 #5940E2 #E25940

tetradic

#40E259 #4078E2 #E240C9 #E2AA40

square

#40E259 #4078E2 #E240C9 #E2AA40

split-complementary

#40E259 #AA40E2 #E24078

monochromatic

#169229 #1EC738 #40E259 #75EA87 #AAF2B5

Accessibility & contrast

On white

1.72

#40E259 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.24

#40E259 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E259

12.24:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E259	#FFFFFF	#000000	##000000
##40E259	1.00	1.72	12.24	12.24
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.24	21.00	1.00	1.00
##000000	12.24	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6CD4A

Deuteranopia (green-blind)

#D3C165

Tritanopia (blue-blind)

#00DCC5

Achromatopsia (no color)

#C6C6C6

Design tokens & code

CSS

--color: #40e259;
/* rgb */ color: rgb(64, 226, 89);
/* oklch */ color: oklch(80.3% 0.223 145.4);

Tailwind

colors: {
  custom: {
    50: '#8bec8c',
    500: '#40e259',
    950: '#000000',
  },
}

SCSS

$custom: #40e259;
$custom-light: #8bec8c;
$custom-dark: #000000;

JSON

{
  "hex": "#40e259",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 89
  },
  "hsl": {
    "h": 129.259,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.80267,
    "c": 0.22306,
    "h": 145.4
  },
  "luminance": 0.56204
}

Semantic roles & 50–950 ramp

primary

#40E259

secondary

#963086

accent

#38D4F0

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E160C

muted

#7F857F

Preview Lab

Preview with #40E259

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

Preview Lab → · Contrast checker → · Palette generator →