#40B238#40B238

#40B238 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.4% C 0.190 H 142.2°. Best body text is #000000 at 7.64:1 contrast (WCAG AA passes).

Color values

HEX	#40B238
RGB	rgb(64, 178, 56)
HSL	hsl(116, 52%, 46%)
HSV	hsv(116, 69%, 70%)
CMYK	cmyk(64%, 0%, 68.5%, 30.2%)
CIE-LAB	lab(64.33, -55.22, 50.86)
CIE-LCH	lch(64.33, 75.07, 137.35°)
OKLab	oklab(67.43% -0.1504 0.1167)
OKLCH	oklch(67.43% 0.19 142.2)
XYZ	xyz(18.7475, 33.2144, 9.1637)
Luminance	0.3322 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B238 #AA38B2

analogous

#7DB238 #40B238 #38B26D

triadic

#40B238 #3840B2 #B23840

tetradic

#40B238 #387DB2 #AA38B2 #B26D38

square

#40B238 #387DB2 #AA38B2 #B26D38

split-complementary

#40B238 #6D38B2 #B2387D

monochromatic

#1F551B #2F8329 #40B238 #63CC5C #8FDA8A

Accessibility & contrast

On white

2.75

#40B238 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.64

#40B238 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B238

7.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B238	#FFFFFF	#000000	##000000
##40B238	1.00	2.75	7.64	7.64
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.64	21.00	1.00	1.00
##000000	7.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A227

Deuteranopia (green-blind)

#A89843

Tritanopia (blue-blind)

#2AAD99

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b238;
/* rgb */ color: rgb(64, 178, 56);
/* oklch */ color: oklch(67.4% 0.190 142.2);

Tailwind

colors: {
  custom: {
    50: '#83ca75',
    500: '#40b238',
    950: '#000000',
  },
}

SCSS

$custom: #40b238;
$custom-light: #83ca75;
$custom-dark: #000000;

JSON

{
  "hex": "#40b238",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 56
  },
  "hsl": {
    "h": 116.066,
    "s": 52.137,
    "l": 45.882
  },
  "oklch": {
    "l": 0.67425,
    "c": 0.19034,
    "h": 142.2
  },
  "luminance": 0.33216
}

Semantic roles & 50–950 ramp

primary

#40B238

secondary

#C081C5

accent

#4CDCD2

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B238

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

Preview Lab → · Contrast checker → · Palette generator →