#40B838#40B838

#40B838 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.0% C 0.197 H 142.2°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#40B838
RGB	rgb(64, 184, 56)
HSL	hsl(116, 53%, 47%)
HSV	hsv(116, 70%, 72%)
CMYK	cmyk(65.2%, 0%, 69.6%, 27.8%)
CIE-LAB	lab(66.26, -57.31, 52.90)
CIE-LCH	lch(66.26, 77.99, 137.30°)
OKLab	oklab(69.02% -0.156 0.121)
OKLCH	oklch(69.02% 0.197 142.2)
XYZ	xyz(19.9675, 35.6545, 9.5703)
Luminance	0.3566 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B838 #B038B8

analogous

#80B838 #40B838 #38B870

triadic

#40B838 #3840B8 #B83840

tetradic

#40B838 #3880B8 #B038B8 #B87038

square

#40B838 #3880B8 #B038B8 #B87038

split-complementary

#40B838 #7038B8 #B83880

monochromatic

#1F5A1B #30892A #40B838 #66CE5F #93DD8E

Accessibility & contrast

On white

2.58

#40B838 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#40B838 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B838

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B838	#FFFFFF	#000000	##000000
##40B838	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA725

Deuteranopia (green-blind)

#AE9D44

Tritanopia (blue-blind)

#27B29E

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b838;
/* rgb */ color: rgb(64, 184, 56);
/* oklch */ color: oklch(69.0% 0.197 142.2);

Tailwind

colors: {
  custom: {
    50: '#84ce75',
    500: '#40b838',
    950: '#000000',
  },
}

SCSS

$custom: #40b838;
$custom-light: #84ce75;
$custom-dark: #000000;

JSON

{
  "hex": "#40b838",
  "rgb": {
    "r": 64,
    "g": 184,
    "b": 56
  },
  "hsl": {
    "h": 116.25,
    "s": 53.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.69015,
    "c": 0.19744,
    "h": 142.2
  },
  "luminance": 0.35656
}

Semantic roles & 50–950 ramp

primary

#40B838

secondary

#C385C7

accent

#4BDDD4

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #40B838

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

Preview Lab → · Contrast checker → · Palette generator →