#40B421#40B421

#40B421 is a light, highly saturated green. Relative luminance 0.338; OKLCH L 67.8% C 0.205 H 140.3°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#40B421
RGB	rgb(64, 180, 33)
HSL	hsl(107, 69%, 42%)
HSV	hsv(107, 82%, 71%)
CMYK	cmyk(64.4%, 0%, 81.7%, 29.4%)
CIE-LAB	lab(64.84, -57.58, 59.31)
CIE-LCH	lch(64.84, 82.66, 134.15°)
OKLab	oklab(67.8% -0.1579 0.1313)
OKLCH	oklch(67.8% 0.205 140.3)
XYZ	xyz(18.7092, 33.8405, 6.9844)
Luminance	0.3384 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B421 #9521B4

analogous

#8AB421 #40B421 #21B44C

triadic

#40B421 #2140B4 #B42140

tetradic

#40B421 #218AB4 #9521B4 #B44C21

square

#40B421 #218AB4 #9521B4 #B44C21

split-complementary

#40B421 #4C21B4 #B4218A

monochromatic

#1B4D0E #2E8018 #40B421 #5ADA38 #85E46B

Accessibility & contrast

On white

2.70

#40B421 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#40B421 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B421

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B421	#FFFFFF	#000000	##000000
##40B421	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AB9A34

Tritanopia (blue-blind)

#2DAE99

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b421;
/* rgb */ color: rgb(64, 180, 33);
/* oklch */ color: oklch(67.8% 0.205 140.3);

Tailwind

colors: {
  custom: {
    50: '#84cb6a',
    500: '#40b421',
    950: '#000000',
  },
}

SCSS

$custom: #40b421;
$custom-light: #84cb6a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b421",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 33
  },
  "hsl": {
    "h": 107.347,
    "s": 69.014,
    "l": 41.765
  },
  "oklch": {
    "l": 0.67796,
    "c": 0.20536,
    "h": 140.3
  },
  "luminance": 0.33842
}

Semantic roles & 50–950 ramp

primary

#40B421

secondary

#B567CA

accent

#3CECC7

background

#F8FCF6

surface

#F0F9EC

border

#CBD2C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40B421

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

Preview Lab → · Contrast checker → · Palette generator →