#40CE40#40CE40

#40CE40 is a light, highly saturated green. Relative luminance 0.456; OKLCH L 74.9% C 0.218 H 143.0°. Best body text is #000000 at 10.12:1 contrast (WCAG AA passes).

Color values

HEX	#40CE40
RGB	rgb(64, 206, 64)
HSL	hsl(120, 59%, 53%)
HSV	hsv(120, 69%, 81%)
CMYK	cmyk(68.9%, 0%, 68.9%, 19.2%)
CIE-LAB	lab(73.29, -64.02, 57.19)
CIE-LCH	lch(73.29, 85.84, 138.23°)
OKLab	oklab(74.86% -0.1738 0.1309)
OKLCH	oklch(74.86% 0.218 143)
XYZ	xyz(25.1096, 45.6001, 12.3279)
Luminance	0.4560 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CE40 #CE40CE

analogous

#87CE40 #40CE40 #40CE87

triadic

#40CE40 #4040CE #CE4040

tetradic

#40CE40 #4087CE #CE40CE #CE8740

square

#40CE40 #4087CE #CE40CE #CE8740

split-complementary

#40CE40 #8740CE #CE4087

monochromatic

#1E751E #2BA62B #40CE40 #71DA71 #A1E7A1

Accessibility & contrast

On white

2.07

#40CE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.12

#40CE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CE40

10.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CE40	#FFFFFF	#000000	##000000
##40CE40	1.00	2.07	10.12	10.12
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.12	21.00	1.00	1.00
##000000	10.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D2BB2B

Deuteranopia (green-blind)

#C2B04E

Tritanopia (blue-blind)

#16C8B2

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #40ce40;
/* rgb */ color: rgb(64, 206, 64);
/* oklch */ color: oklch(74.9% 0.218 143.0);

Tailwind

colors: {
  custom: {
    50: '#88de7c',
    500: '#40ce40',
    950: '#000000',
  },
}

SCSS

$custom: #40ce40;
$custom-light: #88de7c;
$custom-dark: #000000;

JSON

{
  "hex": "#40ce40",
  "rgb": {
    "r": 64,
    "g": 206,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 59.167,
    "l": 52.941
  },
  "oklch": {
    "l": 0.74858,
    "c": 0.21762,
    "h": 143
  },
  "luminance": 0.45603
}

Semantic roles & 50–950 ramp

primary

#40CE40

secondary

#D496D4

accent

#45E2E2

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #40CE40

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

Preview Lab → · Contrast checker → · Palette generator →