#40B431#40B431

#40B431 is a light, vivid green. Relative luminance 0.340; OKLCH L 67.9% C 0.197 H 141.5°. Best body text is #000000 at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#40B431
RGB	rgb(64, 180, 49)
HSL	hsl(113, 57%, 45%)
HSV	hsv(113, 73%, 71%)
CMYK	cmyk(64.4%, 0%, 72.8%, 29.4%)
CIE-LAB	lab(64.92, -56.52, 54.19)
CIE-LCH	lch(64.92, 78.30, 136.20°)
OKLab	oklab(67.9% -0.1543 0.1228)
OKLCH	oklch(67.9% 0.197 141.5)
XYZ	xyz(18.9890, 33.9524, 8.4579)
Luminance	0.3395 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B431 #A531B4

analogous

#81B431 #40B431 #31B464

triadic

#40B431 #3140B4 #B43140

tetradic

#40B431 #3181B4 #A531B4 #B46431

square

#40B431 #3181B4 #A531B4 #B46431

split-complementary

#40B431 #6431B4 #B43181

monochromatic

#1E5417 #2F8424 #40B431 #61D052 #8DDD82

Accessibility & contrast

On white

2.70

#40B431 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.79

#40B431 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B431

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B431	#FFFFFF	#000000	##000000
##40B431	1.00	2.70	7.79	7.79
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.79	21.00	1.00	1.00
##000000	7.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A31A

Deuteranopia (green-blind)

#AB9A3E

Tritanopia (blue-blind)

#2BAE9A

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b431;
/* rgb */ color: rgb(64, 180, 49);
/* oklch */ color: oklch(67.9% 0.197 141.5);

Tailwind

colors: {
  custom: {
    50: '#84cb71',
    500: '#40b431',
    950: '#000000',
  },
}

SCSS

$custom: #40b431;
$custom-light: #84cb71;
$custom-dark: #000000;

JSON

{
  "hex": "#40b431",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 49
  },
  "hsl": {
    "h": 113.13,
    "s": 57.205,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67898,
    "c": 0.19717,
    "h": 141.5
  },
  "luminance": 0.33954
}

Semantic roles & 50–950 ramp

primary

#40B431

secondary

#BE7BC6

accent

#47E0CF

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40B431

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

Preview Lab → · Contrast checker → · Palette generator →