#40AD2B#40AD2B

#40AD2B is a light, vivid green. Relative luminance 0.312; OKLCH L 66.0% C 0.193 H 140.8°. Best body text is #000000 at 7.23:1 contrast (WCAG AA passes).

Color values

HEX	#40AD2B
RGB	rgb(64, 173, 43)
HSL	hsl(110, 60%, 42%)
HSV	hsv(110, 75%, 68%)
CMYK	cmyk(63%, 0%, 75.1%, 32.2%)
CIE-LAB	lab(62.63, -54.53, 54.05)
CIE-LCH	lch(62.63, 76.78, 135.25°)
OKLab	oklab(65.99% -0.1492 0.1217)
OKLCH	oklch(65.99% 0.193 140.8)
XYZ	xyz(17.4931, 31.1499, 7.3757)
Luminance	0.3115 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AD2B #982BAD

analogous

#81AD2B #40AD2B #2BAD57

triadic

#40AD2B #2B40AD #AD2B40

tetradic

#40AD2B #2B81AD #982BAD #AD572B

square

#40AD2B #2B81AD #982BAD #AD572B

split-complementary

#40AD2B #572BAD #AD2B81

monochromatic

#1C4B13 #2E7C1F #40AD2B #5BD145 #86DD76

Accessibility & contrast

On white

2.90

#40AD2B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.23

#40AD2B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AD2B

7.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AD2B	#FFFFFF	#000000	##000000
##40AD2B	1.00	2.90	7.23	7.23
#FFFFFF	2.90	1.00	21.00	21.00
#000000	7.23	21.00	1.00	1.00
##000000	7.23	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29D10

Deuteranopia (green-blind)

#A49439

Tritanopia (blue-blind)

#2FA794

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ad2b;
/* rgb */ color: rgb(64, 173, 43);
/* oklch */ color: oklch(66.0% 0.193 140.8);

Tailwind

colors: {
  custom: {
    50: '#83c66d',
    500: '#40ad2b',
    950: '#000000',
  },
}

SCSS

$custom: #40ad2b;
$custom-light: #83c66d;
$custom-dark: #000000;

JSON

{
  "hex": "#40ad2b",
  "rgb": {
    "r": 64,
    "g": 173,
    "b": 43
  },
  "hsl": {
    "h": 110.308,
    "s": 60.185,
    "l": 42.353
  },
  "oklch": {
    "l": 0.65989,
    "c": 0.19254,
    "h": 140.8
  },
  "luminance": 0.31152
}

Semantic roles & 50–950 ramp

primary

#40AD2B

secondary

#B76FC4

accent

#44E3CA

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40AD2B

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

Preview Lab → · Contrast checker → · Palette generator →