#40B023#40B023

#40B023 is a light, highly saturated green. Relative luminance 0.323; OKLCH L 66.7% C 0.200 H 140.3°. Best body text is #000000 at 7.45:1 contrast (WCAG AA passes).

Color values

HEX	#40B023
RGB	rgb(64, 176, 35)
HSL	hsl(108, 67%, 41%)
HSV	hsv(108, 80%, 69%)
CMYK	cmyk(63.6%, 0%, 80.1%, 31%)
CIE-LAB	lab(63.56, -56.10, 57.54)
CIE-LCH	lch(63.56, 80.36, 134.27°)
OKLab	oklab(66.74% -0.1539 0.1279)
OKLCH	oklch(66.74% 0.2 140.3)
XYZ	xyz(17.9422, 32.2603, 6.8711)
Luminance	0.3226 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B023 #9323B0

analogous

#87B023 #40B023 #23B04D

triadic

#40B023 #2340B0 #B02340

tetradic

#40B023 #2387B0 #9323B0 #B04D23

square

#40B023 #2387B0 #9323B0 #B04D23

split-complementary

#40B023 #4D23B0 #B02387

monochromatic

#1B4A0F #2D7D19 #40B023 #59D839 #84E26C

Accessibility & contrast

On white

2.82

#40B023 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.45

#40B023 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B023

7.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B023	#FFFFFF	#000000	##000000
##40B023	1.00	2.82	7.45	7.45
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.45	21.00	1.00	1.00
##000000	7.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B59F00

Deuteranopia (green-blind)

#A79634

Tritanopia (blue-blind)

#2FAA96

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b023;
/* rgb */ color: rgb(64, 176, 35);
/* oklch */ color: oklch(66.7% 0.200 140.3);

Tailwind

colors: {
  custom: {
    50: '#83c96a',
    500: '#40b023',
    950: '#000000',
  },
}

SCSS

$custom: #40b023;
$custom-light: #83c96a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b023",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 35
  },
  "hsl": {
    "h": 107.66,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.6674,
    "c": 0.20005,
    "h": 140.3
  },
  "luminance": 0.32262
}

Semantic roles & 50–950 ramp

primary

#40B023

secondary

#B467C8

accent

#3EEAC6

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40B023

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

Preview Lab → · Contrast checker → · Palette generator →