#40B844#40B844

#40B844 is a light, vivid green. Relative luminance 0.358; OKLCH L 69.1% C 0.189 H 143.7°. Best body text is #000000 at 8.16:1 contrast (WCAG AA passes).

Color values

HEX	#40B844
RGB	rgb(64, 184, 68)
HSL	hsl(122, 48%, 49%)
HSV	hsv(122, 65%, 72%)
CMYK	cmyk(65.2%, 0%, 63%, 27.8%)
CIE-LAB	lab(66.36, -56.12, 47.99)
CIE-LCH	lch(66.36, 73.84, 139.47°)
OKLab	oklab(69.13% -0.1522 0.1119)
OKLCH	oklch(69.13% 0.189 143.7)
XYZ	xyz(20.2970, 35.7863, 11.3055)
Luminance	0.3579 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B844 #B840B4

analogous

#78B840 #40B844 #40B880

triadic

#40B844 #4440B8 #B84440

tetradic

#40B844 #4078B8 #B840B4 #B88040

square

#40B844 #4078B8 #B840B4 #B88040

split-complementary

#40B844 #8040B8 #B84078

monochromatic

#205D22 #308B33 #40B844 #6ACB6D #97DB9A

Accessibility & contrast

On white

2.57

#40B844 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.16

#40B844 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B844

8.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B844	#FFFFFF	#000000	##000000
##40B844	1.00	2.57	8.16	8.16
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.16	21.00	1.00	1.00
##000000	8.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA737

Deuteranopia (green-blind)

#AD9D4E

Tritanopia (blue-blind)

#24B3A0

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b844;
/* rgb */ color: rgb(64, 184, 68);
/* oklch */ color: oklch(69.1% 0.189 143.7);

Tailwind

colors: {
  custom: {
    50: '#83ce7c',
    500: '#40b844',
    950: '#000000',
  },
}

SCSS

$custom: #40b844;
$custom-light: #83ce7c;
$custom-dark: #000000;

JSON

{
  "hex": "#40b844",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 68
  },
  "hsl": {
    "h": 122,
    "s": 48.387,
    "l": 48.627
  },
  "oklch": {
    "l": 0.69131,
    "c": 0.18895,
    "h": 143.7
  },
  "luminance": 0.35788
}

Semantic roles & 50–950 ramp

primary

#40B844

secondary

#C78DC5

accent

#50D3D8

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #40B844

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

Preview Lab → · Contrast checker → · Palette generator →