#40B23D#40B23D

#40B23D is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.187 H 142.8°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#40B23D
RGB	rgb(64, 178, 61)
HSL	hsl(118, 49%, 47%)
HSV	hsv(118, 66%, 70%)
CMYK	cmyk(64%, 0%, 65.7%, 30.2%)
CIE-LAB	lab(64.38, -54.73, 48.83)
CIE-LCH	lch(64.38, 73.34, 138.26°)
OKLab	oklab(67.47% -0.1488 0.113)
OKLCH	oklch(67.47% 0.187 142.8)
XYZ	xyz(18.8760, 33.2658, 9.8402)
Luminance	0.3327 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B23D #AF3DB2

analogous

#7AB23D #40B23D #3DB275

triadic

#40B23D #3D40B2 #B23D40

tetradic

#40B23D #3D7AB2 #AF3DB2 #B2753D

square

#40B23D #3D7AB2 #AF3DB2 #B2753D

split-complementary

#40B23D #753DB2 #B23D7A

monochromatic

#1F571E #30842D #40B23D #65C963 #92D990

Accessibility & contrast

On white

2.74

#40B23D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#40B23D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B23D

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B23D	#FFFFFF	#000000	##000000
##40B23D	1.00	2.74	7.65	7.65
#FFFFFF	2.74	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)

#B6A22E

Deuteranopia (green-blind)

#A89847

Tritanopia (blue-blind)

#29AD9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b23d;
/* rgb */ color: rgb(64, 178, 61);
/* oklch */ color: oklch(67.5% 0.187 142.8);

Tailwind

colors: {
  custom: {
    50: '#83ca78',
    500: '#40b23d',
    950: '#000000',
  },
}

SCSS

$custom: #40b23d;
$custom-light: #83ca78;
$custom-dark: #000000;

JSON

{
  "hex": "#40b23d",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 61
  },
  "hsl": {
    "h": 118.462,
    "s": 48.954,
    "l": 46.863
  },
  "oklch": {
    "l": 0.67473,
    "c": 0.18683,
    "h": 142.8
  },
  "luminance": 0.33268
}

Semantic roles & 50–950 ramp

primary

#40B23D

secondary

#C387C4

accent

#4FD9D5

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #40B23D

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

Preview Lab → · Contrast checker → · Palette generator →