#40B243#40B243

#40B243 is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.182 H 143.6°. Best body text is #000000 at 7.67:1 contrast (WCAG AA passes).

Color values

HEX	#40B243
RGB	rgb(64, 178, 67)
HSL	hsl(122, 47%, 47%)
HSV	hsv(122, 64%, 70%)
CMYK	cmyk(64%, 0%, 62.4%, 30.2%)
CIE-LAB	lab(64.43, -54.09, 46.27)
CIE-LCH	lch(64.43, 71.18, 139.46°)
OKLab	oklab(67.54% -0.1468 0.1082)
OKLCH	oklch(67.54% 0.182 143.6)
XYZ	xyz(19.0467, 33.3341, 10.7395)
Luminance	0.3334 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B243 #B240AF

analogous

#76B240 #40B243 #40B27C

triadic

#40B243 #4340B2 #B24340

tetradic

#40B243 #4076B2 #B240AF #B27C40

square

#40B243 #4076B2 #B240AF #B27C40

split-complementary

#40B243 #7C40B2 #B24076

monochromatic

#205821 #308532 #40B243 #67C869 #94D896

Accessibility & contrast

On white

2.74

#40B243 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.67

#40B243 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B243

7.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B243	#FFFFFF	#000000	##000000
##40B243	1.00	2.74	7.67	7.67
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.67	21.00	1.00	1.00
##000000	7.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A236

Deuteranopia (green-blind)

#A8994C

Tritanopia (blue-blind)

#27AD9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b243;
/* rgb */ color: rgb(64, 178, 67);
/* oklch */ color: oklch(67.5% 0.182 143.6);

Tailwind

colors: {
  custom: {
    50: '#82ca7b',
    500: '#40b243',
    950: '#000000',
  },
}

SCSS

$custom: #40b243;
$custom-light: #82ca7b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b243",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 67
  },
  "hsl": {
    "h": 121.579,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67536,
    "c": 0.1823,
    "h": 143.6
  },
  "luminance": 0.33336
}

Semantic roles & 50–950 ramp

primary

#40B243

secondary

#C48AC2

accent

#51D3D7

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C130A

muted

#7D827C

Preview Lab

Preview with #40B243

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

Preview Lab → · Contrast checker → · Palette generator →