#40A123#40A123

#40A123 is a light, vivid green. Relative luminance 0.267; OKLCH L 62.7% C 0.183 H 139.7°. Best body text is #000000 at 6.34:1 contrast (WCAG AA passes).

Color values

HEX	#40A123
RGB	rgb(64, 161, 35)
HSL	hsl(106, 64%, 38%)
HSV	hsv(106, 78%, 63%)
CMYK	cmyk(60.2%, 0%, 78.3%, 36.9%)
CIE-LAB	lab(58.70, -50.79, 52.91)
CIE-LCH	lch(58.70, 73.35, 133.83°)
OKLab	oklab(62.72% -0.1396 0.1182)
OKLCH	oklch(62.72% 0.183 139.7)
XYZ	xyz(15.1619, 26.6997, 5.9443)
Luminance	0.2670 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40A123 #8423A1

analogous

#7FA123 #40A123 #23A145

triadic

#40A123 #2340A1 #A12340

tetradic

#40A123 #237FA1 #8423A1 #A14523

square

#40A123 #237FA1 #8423A1 #A14523

split-complementary

#40A123 #4523A1 #A1237F

monochromatic

#183C0D #2C6F18 #40A123 #55D22F #7EDD62

Accessibility & contrast

On white

3.31

#40A123 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.34

#40A123 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #40A123

6.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40A123	#FFFFFF	#000000	##000000
##40A123	1.00	3.31	6.34	6.34
#FFFFFF	3.31	1.00	21.00	21.00
#000000	6.34	21.00	1.00	1.00
##000000	6.34	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69201

Deuteranopia (green-blind)

#9A8A31

Tritanopia (blue-blind)

#349C89

Achromatopsia (no color)

#8D8D8D

Design tokens & code

CSS

--color: #40a123;
/* rgb */ color: rgb(64, 161, 35);
/* oklch */ color: oklch(62.7% 0.183 139.7);

Tailwind

colors: {
  custom: {
    50: '#81be68',
    500: '#40a123',
    950: '#000000',
  },
}

SCSS

$custom: #40a123;
$custom-light: #81be68;
$custom-dark: #000000;

JSON

{
  "hex": "#40a123",
  "rgb": {
    "r": 64,
    "g": 161,
    "b": 35
  },
  "hsl": {
    "h": 106.19,
    "s": 64.286,
    "l": 38.431
  },
  "oklch": {
    "l": 0.62717,
    "c": 0.1829,
    "h": 139.7
  },
  "luminance": 0.26701
}

Semantic roles & 50–950 ramp

primary

#40A123

secondary

#AB5EC2

accent

#41E7C1

background

#F8FBF6

surface

#F0F7EB

border

#CBD0C6

text

#0B1207

muted

#7C817A

Preview Lab

Preview with #40A123

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

Preview Lab → · Contrast checker → · Palette generator →