#40B028#40B028

#40B028 is a light, vivid green. Relative luminance 0.323; OKLCH L 66.8% C 0.198 H 140.6°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#40B028
RGB	rgb(64, 176, 40)
HSL	hsl(109, 63%, 42%)
HSV	hsv(109, 77%, 69%)
CMYK	cmyk(63.6%, 0%, 77.3%, 31%)
CIE-LAB	lab(63.58, -55.78, 56.00)
CIE-LCH	lch(63.58, 79.04, 134.89°)
OKLab	oklab(66.77% -0.1528 0.1253)
OKLCH	oklch(66.77% 0.198 140.6)
XYZ	xyz(18.0218, 32.2921, 7.2903)
Luminance	0.3229 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B028 #9828B0

analogous

#84B028 #40B028 #28B054

triadic

#40B028 #2840B0 #B02840

tetradic

#40B028 #2884B0 #9828B0 #B05428

square

#40B028 #2884B0 #9828B0 #B05428

split-complementary

#40B028 #5428B0 #B02884

monochromatic

#1C4C11 #2E7E1D #40B028 #5BD441 #86DF73

Accessibility & contrast

On white

2.82

#40B028 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#40B028 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B028

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B028	#FFFFFF	#000000	##000000
##40B028	1.00	2.82	7.46	7.46
#FFFFFF	2.82	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A004

Deuteranopia (green-blind)

#A79737

Tritanopia (blue-blind)

#2EAA96

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #40b028;
/* rgb */ color: rgb(64, 176, 40);
/* oklch */ color: oklch(66.8% 0.198 140.6);

Tailwind

colors: {
  custom: {
    50: '#83c96c',
    500: '#40b028',
    950: '#000000',
  },
}

SCSS

$custom: #40b028;
$custom-light: #83c96c;
$custom-dark: #000000;

JSON

{
  "hex": "#40b028",
  "rgb": {
    "r": 64,
    "g": 176,
    "b": 40
  },
  "hsl": {
    "h": 109.412,
    "s": 62.963,
    "l": 42.353
  },
  "oklch": {
    "l": 0.6677,
    "c": 0.1976,
    "h": 140.6
  },
  "luminance": 0.32294
}

Semantic roles & 50–950 ramp

primary

#40B028

secondary

#B76DC6

accent

#42E6C9

background

#F8FCF6

surface

#F0F8EC

border

#CBD1C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40B028

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

Preview Lab → · Contrast checker → · Palette generator →