#40B138#40B138

#40B138 is a light, vivid green. Relative luminance 0.328; OKLCH L 67.2% C 0.189 H 142.2°. Best body text is #000000 at 7.56:1 contrast (WCAG AA passes).

Color values

HEX	#40B138
RGB	rgb(64, 177, 56)
HSL	hsl(116, 52%, 46%)
HSV	hsv(116, 68%, 69%)
CMYK	cmyk(63.8%, 0%, 68.4%, 30.6%)
CIE-LAB	lab(64.01, -54.86, 50.52)
CIE-LCH	lch(64.01, 74.58, 137.36°)
OKLab	oklab(67.16% -0.1494 0.116)
OKLCH	oklch(67.16% 0.189 142.2)
XYZ	xyz(18.5493, 32.8180, 9.0976)
Luminance	0.3282 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B138 #A938B1

analogous

#7CB138 #40B138 #38B16C

triadic

#40B138 #3840B1 #B13840

tetradic

#40B138 #387CB1 #A938B1 #B16C38

square

#40B138 #387CB1 #A938B1 #B16C38

split-complementary

#40B138 #6C38B1 #B1387C

monochromatic

#1E541B #2F8329 #40B138 #62CB5B #8FDA8A

Accessibility & contrast

On white

2.78

#40B138 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.56

#40B138 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B138

7.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B138	#FFFFFF	#000000	##000000
##40B138	1.00	2.78	7.56	7.56
#FFFFFF	2.78	1.00	21.00	21.00
#000000	7.56	21.00	1.00	1.00
##000000	7.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A127

Deuteranopia (green-blind)

#A79843

Tritanopia (blue-blind)

#2AAC98

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #40b138;
/* rgb */ color: rgb(64, 177, 56);
/* oklch */ color: oklch(67.2% 0.189 142.2);

Tailwind

colors: {
  custom: {
    50: '#83c975',
    500: '#40b138',
    950: '#000000',
  },
}

SCSS

$custom: #40b138;
$custom-light: #83c975;
$custom-dark: #000000;

JSON

{
  "hex": "#40b138",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 56
  },
  "hsl": {
    "h": 116.033,
    "s": 51.931,
    "l": 45.686
  },
  "oklch": {
    "l": 0.6716,
    "c": 0.18914,
    "h": 142.2
  },
  "luminance": 0.3282
}

Semantic roles & 50–950 ramp

primary

#40B138

secondary

#C081C4

accent

#4CDBD2

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B138

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

Preview Lab → · Contrast checker → · Palette generator →