#40AC31#40AC31

#40AC31 is a light, vivid green. Relative luminance 0.308; OKLCH L 65.8% C 0.188 H 141.4°. Best body text is #000000 at 7.16:1 contrast (WCAG AA passes).

Color values

HEX	#40AC31
RGB	rgb(64, 172, 49)
HSL	hsl(113, 56%, 43%)
HSV	hsv(113, 72%, 67%)
CMYK	cmyk(62.8%, 0%, 71.5%, 32.5%)
CIE-LAB	lab(62.35, -53.70, 51.55)
CIE-LCH	lch(62.35, 74.44, 136.17°)
OKLab	oklab(65.77% -0.1467 0.1173)
OKLCH	oklch(65.77% 0.188 141.4)
XYZ	xyz(17.4204, 30.8151, 7.9350)
Luminance	0.3082 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40AC31 #9D31AC

analogous

#7DAC31 #40AC31 #31AC5F

triadic

#40AC31 #3140AC #AC3140

tetradic

#40AC31 #317DAC #9D31AC #AC5F31

square

#40AC31 #317DAC #9D31AC #AC5F31

split-complementary

#40AC31 #5F31AC #AC317D

monochromatic

#1D4D16 #2E7C23 #40AC31 #5DCC4E #89DA7D

Accessibility & contrast

On white

2.93

#40AC31 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.16

#40AC31 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40AC31

7.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40AC31	#FFFFFF	#000000	##000000
##40AC31	1.00	2.93	7.16	7.16
#FFFFFF	2.93	1.00	21.00	21.00
#000000	7.16	21.00	1.00	1.00
##000000	7.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B09C1D

Deuteranopia (green-blind)

#A3933D

Tritanopia (blue-blind)

#2EA794

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #40ac31;
/* rgb */ color: rgb(64, 172, 49);
/* oklch */ color: oklch(65.8% 0.188 141.4);

Tailwind

colors: {
  custom: {
    50: '#82c670',
    500: '#40ac31',
    950: '#000000',
  },
}

SCSS

$custom: #40ac31;
$custom-light: #82c670;
$custom-dark: #000000;

JSON

{
  "hex": "#40ac31",
  "rgb": {
    "r": 64,
    "g": 172,
    "b": 49
  },
  "hsl": {
    "h": 112.683,
    "s": 55.656,
    "l": 43.333
  },
  "oklch": {
    "l": 0.65768,
    "c": 0.18778,
    "h": 141.4
  },
  "luminance": 0.30817
}

Semantic roles & 50–950 ramp

primary

#40AC31

secondary

#B976C3

accent

#49DFCD

background

#F8FCF7

surface

#F0F8ED

border

#CBD1C8

text

#0C1308

muted

#7D827B

Preview Lab

Preview with #40AC31

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

Preview Lab → · Contrast checker → · Palette generator →