#40CB3B#40CB3B

#40CB3B is a light, highly saturated green. Relative luminance 0.441; OKLCH L 74.0% C 0.217 H 142.6°. Best body text is #000000 at 9.82:1 contrast (WCAG AA passes).

Color values

HEX	#40CB3B
RGB	rgb(64, 203, 59)
HSL	hsl(118, 58%, 51%)
HSV	hsv(118, 71%, 80%)
CMYK	cmyk(68.5%, 0%, 70.9%, 20.4%)
CIE-LAB	lab(72.31, -63.47, 58.06)
CIE-LCH	lch(72.31, 86.02, 137.55°)
OKLab	oklab(74.03% -0.1726 0.1322)
OKLCH	oklch(74.03% 0.217 142.6)
XYZ	xyz(24.2583, 44.1150, 11.3734)
Luminance	0.4412 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CB3B #C63BCB

analogous

#88CB3B #40CB3B #3BCB7E

triadic

#40CB3B #3B40CB #CB3B40

tetradic

#40CB3B #3B88CB #C63BCB #CB7E3B

square

#40CB3B #3B88CB #C63BCB #CB7E3B

split-complementary

#40CB3B #7E3BCB #CB3B88

monochromatic

#206E1D #2E9F2A #40CB3B #6FD86B #9EE59C

Accessibility & contrast

On white

2.14

#40CB3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.82

#40CB3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CB3B

9.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CB3B	#FFFFFF	#000000	##000000
##40CB3B	1.00	2.14	9.82	9.82
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.82	21.00	1.00	1.00
##000000	9.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B823

Deuteranopia (green-blind)

#BFAD49

Tritanopia (blue-blind)

#1BC5AF

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40cb3b;
/* rgb */ color: rgb(64, 203, 59);
/* oklch */ color: oklch(74.0% 0.217 142.6);

Tailwind

colors: {
  custom: {
    50: '#88dc79',
    500: '#40cb3b',
    950: '#000000',
  },
}

SCSS

$custom: #40cb3b;
$custom-light: #88dc79;
$custom-dark: #000000;

JSON

{
  "hex": "#40cb3b",
  "rgb": {
    "r": 64,
    "g": 203,
    "b": 59
  },
  "hsl": {
    "h": 117.917,
    "s": 58.065,
    "l": 51.373
  },
  "oklch": {
    "l": 0.74034,
    "c": 0.21736,
    "h": 142.6
  },
  "luminance": 0.44118
}

Semantic roles & 50–950 ramp

primary

#40CB3B

secondary

#CE91D1

accent

#47E1DC

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #40CB3B

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

Preview Lab → · Contrast checker → · Palette generator →