#40B340#40B340

#40B340 is a light, vivid green. Relative luminance 0.337; OKLCH L 67.8% C 0.186 H 143.2°. Best body text is #000000 at 7.74:1 contrast (WCAG AA passes).

Color values

HEX	#40B340
RGB	rgb(64, 179, 64)
HSL	hsl(120, 47%, 48%)
HSV	hsv(120, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 64.2%, 29.8%)
CIE-LAB	lab(64.72, -54.78, 47.92)
CIE-LCH	lch(64.72, 72.78, 138.82°)
OKLab	oklab(67.77% -0.1488 0.1114)
OKLCH	oklch(67.77% 0.186 143.2)
XYZ	xyz(19.1588, 33.6984, 10.3443)
Luminance	0.3370 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B340 #B340B3

analogous

#79B340 #40B340 #40B379

triadic

#40B340 #4040B3 #B34040

tetradic

#40B340 #4079B3 #B340B3 #B37940

square

#40B340 #4079B3 #B340B3 #B37940

split-complementary

#40B340 #7940B3 #B34079

monochromatic

#205920 #308630 #40B340 #67C967 #94D994

Accessibility & contrast

On white

2.71

#40B340 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.74

#40B340 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B340

7.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B340	#FFFFFF	#000000	##000000
##40B340	1.00	2.71	7.74	7.74
#FFFFFF	2.71	1.00	21.00	21.00
#000000	7.74	21.00	1.00	1.00
##000000	7.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B7A332

Deuteranopia (green-blind)

#A9994A

Tritanopia (blue-blind)

#27AE9B

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b340;
/* rgb */ color: rgb(64, 179, 64);
/* oklch */ color: oklch(67.8% 0.186 143.2);

Tailwind

colors: {
  custom: {
    50: '#83cb7a',
    500: '#40b340',
    950: '#000000',
  },
}

SCSS

$custom: #40b340;
$custom-light: #83cb7a;
$custom-dark: #000000;

JSON

{
  "hex": "#40b340",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 64
  },
  "hsl": {
    "h": 120,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.67768,
    "c": 0.18583,
    "h": 143.2
  },
  "luminance": 0.337
}

Semantic roles & 50–950 ramp

primary

#40B340

secondary

#C48AC4

accent

#51D7D7

background

#F8FCF7

surface

#F0F9EE

border

#CBD2C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B340

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

Preview Lab → · Contrast checker → · Palette generator →