#40B239#40B239

#40B239 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.4% C 0.190 H 142.3°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#40B239
RGB	rgb(64, 178, 57)
HSL	hsl(117, 51%, 46%)
HSV	hsv(117, 68%, 70%)
CMYK	cmyk(64%, 0%, 68%, 30.2%)
CIE-LAB	lab(64.34, -55.12, 50.46)
CIE-LCH	lch(64.34, 74.73, 137.53°)
OKLab	oklab(67.44% -0.1501 0.116)
OKLCH	oklch(67.44% 0.19 142.3)
XYZ	xyz(18.7722, 33.2243, 9.2938)
Luminance	0.3323 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B239 #AB39B2

analogous

#7CB239 #40B239 #39B26E

triadic

#40B239 #3940B2 #B23940

tetradic

#40B239 #397CB2 #AB39B2 #B26E39

square

#40B239 #397CB2 #AB39B2 #B26E39

split-complementary

#40B239 #6E39B2 #B2397C

monochromatic

#1F551B #2F842A #40B239 #63CB5D #90DA8B

Accessibility & contrast

On white

2.75

#40B239 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#40B239 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B239

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B239	#FFFFFF	#000000	##000000
##40B239	1.00	2.75	7.65	7.65
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A228

Deuteranopia (green-blind)

#A89844

Tritanopia (blue-blind)

#2AAD99

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b239;
/* rgb */ color: rgb(64, 178, 57);
/* oklch */ color: oklch(67.4% 0.190 142.3);

Tailwind

colors: {
  custom: {
    50: '#83ca75',
    500: '#40b239',
    950: '#000000',
  },
}

SCSS

$custom: #40b239;
$custom-light: #83ca75;
$custom-dark: #000000;

JSON

{
  "hex": "#40b239",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 57
  },
  "hsl": {
    "h": 116.529,
    "s": 51.489,
    "l": 46.078
  },
  "oklch": {
    "l": 0.67435,
    "c": 0.18966,
    "h": 142.3
  },
  "luminance": 0.33226
}

Semantic roles & 50–950 ramp

primary

#40B239

secondary

#C182C4

accent

#4DDBD3

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B239

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

Preview Lab → · Contrast checker → · Palette generator →