#40E243#40E243

#40E243 is a light, highly saturated green. Relative luminance 0.559; OKLCH L 80.1% C 0.238 H 143.2°. Best body text is #000000 at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#40E243
RGB	rgb(64, 226, 67)
HSL	hsl(121, 74%, 57%)
HSV	hsv(121, 72%, 89%)
CMYK	cmyk(71.7%, 0%, 70.4%, 11.4%)
CIE-LAB	lab(79.55, -70.20, 62.61)
CIE-LCH	lch(79.55, 94.06, 138.27°)
OKLab	oklab(80.06% -0.1904 0.1426)
OKLCH	oklch(80.06% 0.238 143.2)
XYZ	xyz(30.3219, 55.8845, 14.4979)
Luminance	0.5589 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40E243 #E240DF

analogous

#8EE240 #40E243 #40E294

triadic

#40E243 #4340E2 #E24340

tetradic

#40E243 #408EE2 #E240DF #E29440

square

#40E243 #408EE2 #E240DF #E29440

split-complementary

#40E243 #9440E2 #E2408E

monochromatic

#169218 #1EC721 #40E243 #75EA77 #AAF2AC

Accessibility & contrast

On white

1.72

#40E243 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.18

#40E243 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40E243

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40E243	#FFFFFF	#000000	##000000
##40E243	1.00	1.72	12.18	12.18
#FFFFFF	1.72	1.00	21.00	21.00
#000000	12.18	21.00	1.00	1.00
##000000	12.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7CD29

Deuteranopia (green-blind)

#D4C053

Tritanopia (blue-blind)

#00DCC3

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #40e243;
/* rgb */ color: rgb(64, 226, 67);
/* oklch */ color: oklch(80.1% 0.238 143.2);

Tailwind

colors: {
  custom: {
    50: '#8cec80',
    500: '#40e243',
    950: '#000000',
  },
}

SCSS

$custom: #40e243;
$custom-light: #8cec80;
$custom-dark: #000000;

JSON

{
  "hex": "#40e243",
  "rgb": {
    "r": 64,
    "g": 226,
    "b": 67
  },
  "hsl": {
    "h": 121.111,
    "s": 73.636,
    "l": 56.863
  },
  "oklch": {
    "l": 0.8006,
    "c": 0.23794,
    "h": 143.2
  },
  "luminance": 0.55888
}

Semantic roles & 50–950 ramp

primary

#40E243

secondary

#963094

accent

#38EDF0

background

#FCFFFB

surface

#F5FEF2

border

#CFD6CC

text

#0E160B

muted

#7F857E

Preview Lab

Preview with #40E243

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

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