#40B231#40B231

#40B231 is a light, vivid green. Relative luminance 0.332; OKLCH L 67.4% C 0.195 H 141.5°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#40B231
RGB	rgb(64, 178, 49)
HSL	hsl(113, 57%, 45%)
HSV	hsv(113, 72%, 70%)
CMYK	cmyk(64%, 0%, 72.5%, 30.2%)
CIE-LAB	lab(64.28, -55.82, 53.53)
CIE-LCH	lch(64.28, 77.34, 136.20°)
OKLab	oklab(67.37% -0.1524 0.1214)
OKLCH	oklch(67.37% 0.195 141.5)
XYZ	xyz(18.5882, 33.1507, 8.3243)
Luminance	0.3315 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B231 #A331B2

analogous

#81B231 #40B231 #31B262

triadic

#40B231 #3140B2 #B23140

tetradic

#40B231 #3181B2 #A331B2 #B26231

square

#40B231 #3181B2 #A331B2 #B26231

split-complementary

#40B231 #6231B2 #B23181

monochromatic

#1D5217 #2F8224 #40B231 #60CF51 #8CDC81

Accessibility & contrast

On white

2.75

#40B231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#40B231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B231

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B231	#FFFFFF	#000000	##000000
##40B231	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A21B

Deuteranopia (green-blind)

#A9983E

Tritanopia (blue-blind)

#2CAC99

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b231;
/* rgb */ color: rgb(64, 178, 49);
/* oklch */ color: oklch(67.4% 0.195 141.5);

Tailwind

colors: {
  custom: {
    50: '#83ca71',
    500: '#40b231',
    950: '#000000',
  },
}

SCSS

$custom: #40b231;
$custom-light: #83ca71;
$custom-dark: #000000;

JSON

{
  "hex": "#40b231",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 49
  },
  "hsl": {
    "h": 113.023,
    "s": 56.828,
    "l": 44.51
  },
  "oklch": {
    "l": 0.67366,
    "c": 0.19484,
    "h": 141.5
  },
  "luminance": 0.33153
}

Semantic roles & 50–950 ramp

primary

#40B231

secondary

#BD79C5

accent

#48E0CE

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40B231

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

Preview Lab → · Contrast checker → · Palette generator →