#40B738#40B738

#40B738 is a light, vivid green. Relative luminance 0.352; OKLCH L 68.8% C 0.196 H 142.2°. Best body text is #000000 at 8.05:1 contrast (WCAG AA passes).

Color values

HEX	#40B738
RGB	rgb(64, 183, 56)
HSL	hsl(116, 53%, 47%)
HSV	hsv(116, 69%, 72%)
CMYK	cmyk(65%, 0%, 69.4%, 28.2%)
CIE-LAB	lab(65.94, -56.97, 52.56)
CIE-LCH	lch(65.94, 77.51, 137.30°)
OKLab	oklab(68.75% -0.1551 0.1203)
OKLCH	oklch(68.75% 0.196 142.2)
XYZ	xyz(19.7606, 35.2405, 9.5013)
Luminance	0.3524 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B738 #AF38B7

analogous

#80B738 #40B738 #38B76F

triadic

#40B738 #3840B7 #B73840

tetradic

#40B738 #3880B7 #AF38B7 #B76F38

square

#40B738 #3880B7 #AF38B7 #B76F38

split-complementary

#40B738 #6F38B7 #B73880

monochromatic

#1F591B #30882A #40B738 #65CE5E #92DC8D

Accessibility & contrast

On white

2.61

#40B738 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.05

#40B738 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B738

8.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B738	#FFFFFF	#000000	##000000
##40B738	1.00	2.61	8.05	8.05
#FFFFFF	2.61	1.00	21.00	21.00
#000000	8.05	21.00	1.00	1.00
##000000	8.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA625

Deuteranopia (green-blind)

#AD9C44

Tritanopia (blue-blind)

#28B29E

Achromatopsia (no color)

#A0A0A0

Design tokens & code

CSS

--color: #40b738;
/* rgb */ color: rgb(64, 183, 56);
/* oklch */ color: oklch(68.8% 0.196 142.2);

Tailwind

colors: {
  custom: {
    50: '#84ce75',
    500: '#40b738',
    950: '#000000',
  },
}

SCSS

$custom: #40b738;
$custom-light: #84ce75;
$custom-dark: #000000;

JSON

{
  "hex": "#40b738",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 56
  },
  "hsl": {
    "h": 116.22,
    "s": 53.138,
    "l": 46.863
  },
  "oklch": {
    "l": 0.6875,
    "c": 0.19626,
    "h": 142.2
  },
  "luminance": 0.35242
}

Semantic roles & 50–950 ramp

primary

#40B738

secondary

#C384C7

accent

#4BDDD3

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1409

muted

#7D827B

Preview Lab

Preview with #40B738

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

Preview Lab → · Contrast checker → · Palette generator →