#40AB31#40AB31

#40AB31 is a light, vivid green. Relative luminance 0.304; OKLCH L 65.5% C 0.187 H 141.3°. Best body text is #000000 at 7.09:1 contrast (WCAG AA passes).

Color values

HEX	#40AB31
RGB	rgb(64, 171, 49)
HSL	hsl(113, 55%, 43%)
HSV	hsv(113, 71%, 67%)
CMYK	cmyk(62.6%, 0%, 71.3%, 32.9%)
CIE-LAB	lab(62.03, -53.35, 51.21)
CIE-LCH	lch(62.03, 73.95, 136.17°)
OKLab	oklab(65.5% -0.1457 0.1166)
OKLCH	oklch(65.5% 0.187 141.3)
XYZ	xyz(17.2308, 30.4359, 7.8718)
Luminance	0.3044 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AB31 #9C31AB

analogous

#7DAB31 #40AB31 #31AB5F

triadic

#40AB31 #3140AB #AB3140

tetradic

#40AB31 #317DAB #9C31AB #AB5F31

square

#40AB31 #317DAB #9C31AB #AB5F31

split-complementary

#40AB31 #5F31AB #AB317D

monochromatic

#1C4C16 #2E7B23 #40AB31 #5DCC4D #88DA7D

Accessibility & contrast

On white

2.96

#40AB31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.09

#40AB31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AB31

7.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AB31	#FFFFFF	#000000	##000000
##40AB31	1.00	2.96	7.09	7.09
#FFFFFF	2.96	1.00	21.00	21.00
#000000	7.09	21.00	1.00	1.00
##000000	7.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#AF9B1D

Deuteranopia (green-blind)

#A2933D

Tritanopia (blue-blind)

#2EA693

Achromatopsia (no color)

#969696

Design tokens & code

CSS

--color: #40ab31;
/* rgb */ color: rgb(64, 171, 49);
/* oklch */ color: oklch(65.5% 0.187 141.3);

Tailwind

colors: {
  custom: {
    50: '#82c570',
    500: '#40ab31',
    950: '#000000',
  },
}

SCSS

$custom: #40ab31;
$custom-light: #82c570;
$custom-dark: #000000;

JSON

{
  "hex": "#40ab31",
  "rgb": {
    "r": 64,
    "g": 171,
    "b": 49
  },
  "hsl": {
    "h": 112.623,
    "s": 55.455,
    "l": 43.137
  },
  "oklch": {
    "l": 0.65501,
    "c": 0.18659,
    "h": 141.3
  },
  "luminance": 0.30438
}

Semantic roles & 50–950 ramp

primary

#40AB31

secondary

#B975C2

accent

#49DFCC

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40AB31

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

Preview Lab → · Contrast checker → · Palette generator →