#40CA39#40CA39

#40CA39 is a light, highly saturated green. Relative luminance 0.436; OKLCH L 73.8% C 0.217 H 142.4°. Best body text is #000000 at 9.73:1 contrast (WCAG AA passes).

Color values

HEX	#40CA39
RGB	rgb(64, 202, 57)
HSL	hsl(117, 58%, 51%)
HSV	hsv(117, 72%, 79%)
CMYK	cmyk(68.3%, 0%, 71.8%, 20.8%)
CIE-LAB	lab(71.98, -63.30, 58.46)
CIE-LCH	lch(71.98, 86.17, 137.28°)
OKLab	oklab(73.76% -0.1722 0.1327)
OKLCH	oklch(73.76% 0.217 142.4)
XYZ	xyz(23.9720, 43.6239, 11.0270)
Luminance	0.4363 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CA39 #C339CA

analogous

#89CA39 #40CA39 #39CA7A

triadic

#40CA39 #3940CA #CA3940

tetradic

#40CA39 #3989CA #C339CA #CA7A39

square

#40CA39 #3989CA #C339CA #CA7A39

split-complementary

#40CA39 #7A39CA #CA3989

monochromatic

#216C1D #2F9C2A #40CA39 #6FD769 #9DE49A

Accessibility & contrast

On white

2.16

#40CA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.73

#40CA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CA39

9.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CA39	#FFFFFF	#000000	##000000
##40CA39	1.00	2.16	9.73	9.73
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.73	21.00	1.00	1.00
##000000	9.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB720

Deuteranopia (green-blind)

#BEAC48

Tritanopia (blue-blind)

#1CC4AE

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #40ca39;
/* rgb */ color: rgb(64, 202, 57);
/* oklch */ color: oklch(73.8% 0.217 142.4);

Tailwind

colors: {
  custom: {
    50: '#88db78',
    500: '#40ca39',
    950: '#000000',
  },
}

SCSS

$custom: #40ca39;
$custom-light: #88db78;
$custom-dark: #000000;

JSON

{
  "hex": "#40ca39",
  "rgb": {
    "r": 64,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 117.103,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.73757,
    "c": 0.21743,
    "h": 142.4
  },
  "luminance": 0.43626
}

Semantic roles & 50–950 ramp

primary

#40CA39

secondary

#CC8FD0

accent

#47E1DA

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #40CA39

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

Preview Lab → · Contrast checker → · Palette generator →