#40B43B#40B43B

#40B43B is a light, vivid green. Relative luminance 0.340; OKLCH L 68.0% C 0.191 H 142.5°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#40B43B
RGB	rgb(64, 180, 59)
HSL	hsl(118, 51%, 47%)
HSV	hsv(118, 67%, 71%)
CMYK	cmyk(64.4%, 0%, 67.2%, 29.4%)
CIE-LAB	lab(65.00, -55.64, 50.34)
CIE-LCH	lch(65.00, 75.03, 137.86°)
OKLab	oklab(67.98% -0.1514 0.116)
OKLCH	oklch(67.98% 0.191 142.5)
XYZ	xyz(19.2240, 34.0464, 9.6953)
Luminance	0.3405 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B43B #AF3BB4

analogous

#7DB43B #40B43B #3BB473

triadic

#40B43B #3B40B4 #B43B40

tetradic

#40B43B #3B7DB4 #AF3BB4 #B4733B

square

#40B43B #3B7DB4 #AF3BB4 #B4733B

split-complementary

#40B43B #733BB4 #B43B7D

monochromatic

#1F581D #30862C #40B43B #65CB61 #92DA8F

Accessibility & contrast

On white

2.69

#40B43B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#40B43B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B43B

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B43B	#FFFFFF	#000000	##000000
##40B43B	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B8A42B

Deuteranopia (green-blind)

#AA9A46

Tritanopia (blue-blind)

#28AF9B

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b43b;
/* rgb */ color: rgb(64, 180, 59);
/* oklch */ color: oklch(68.0% 0.191 142.5);

Tailwind

colors: {
  custom: {
    50: '#83cb77',
    500: '#40b43b',
    950: '#000000',
  },
}

SCSS

$custom: #40b43b;
$custom-light: #83cb77;
$custom-dark: #000000;

JSON

{
  "hex": "#40b43b",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 59
  },
  "hsl": {
    "h": 117.521,
    "s": 50.628,
    "l": 46.863
  },
  "oklch": {
    "l": 0.67983,
    "c": 0.19067,
    "h": 142.5
  },
  "luminance": 0.34048
}

Semantic roles & 50–950 ramp

primary

#40B43B

secondary

#C386C5

accent

#4EDAD4

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B43B

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

Preview Lab → · Contrast checker → · Palette generator →