#40B23E#40B23E

#40B23E is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.186 H 142.9°. Best body text is #000000 at 7.66:1 contrast (WCAG AA passes).

Color values

HEX	#40B23E
RGB	rgb(64, 178, 62)
HSL	hsl(119, 48%, 47%)
HSV	hsv(119, 65%, 70%)
CMYK	cmyk(64%, 0%, 65.2%, 30.2%)
CIE-LAB	lab(64.38, -54.63, 48.41)
CIE-LCH	lch(64.38, 72.99, 138.45°)
OKLab	oklab(67.48% -0.1485 0.1122)
OKLCH	oklch(67.48% 0.186 142.9)
XYZ	xyz(18.9032, 33.2767, 9.9834)
Luminance	0.3328 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B23E #B03EB2

analogous

#7AB23E #40B23E #3EB276

triadic

#40B23E #3E40B2 #B23E40

tetradic

#40B23E #3E7AB2 #B03EB2 #B2763E

square

#40B23E #3E7AB2 #B03EB2 #B2763E

split-complementary

#40B23E #763EB2 #B23E7A

monochromatic

#1F571E #30852E #40B23E #66C964 #93D992

Accessibility & contrast

On white

2.74

#40B23E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.66

#40B23E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B23E

7.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B23E	#FFFFFF	#000000	##000000
##40B23E	1.00	2.74	7.66	7.66
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.66	21.00	1.00	1.00
##000000	7.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A230

Deuteranopia (green-blind)

#A89848

Tritanopia (blue-blind)

#28AD9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b23e;
/* rgb */ color: rgb(64, 178, 62);
/* oklch */ color: oklch(67.5% 0.186 142.9);

Tailwind

colors: {
  custom: {
    50: '#83ca78',
    500: '#40b23e',
    950: '#000000',
  },
}

SCSS

$custom: #40b23e;
$custom-light: #83ca78;
$custom-dark: #000000;

JSON

{
  "hex": "#40b23e",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 62
  },
  "hsl": {
    "h": 118.966,
    "s": 48.333,
    "l": 47.059
  },
  "oklch": {
    "l": 0.67483,
    "c": 0.18609,
    "h": 142.9
  },
  "luminance": 0.33279
}

Semantic roles & 50–950 ramp

primary

#40B23E

secondary

#C388C4

accent

#50D8D6

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B23E

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

Preview Lab → · Contrast checker → · Palette generator →