#40B423#40B423

#40B423 is a light, highly saturated green. Relative luminance 0.339; OKLCH L 67.8% C 0.204 H 140.4°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#40B423
RGB	rgb(64, 180, 35)
HSL	hsl(108, 67%, 42%)
HSV	hsv(108, 81%, 71%)
CMYK	cmyk(64.4%, 0%, 80.6%, 29.4%)
CIE-LAB	lab(64.84, -57.47, 58.75)
CIE-LCH	lch(64.84, 82.18, 134.37°)
OKLab	oklab(67.81% -0.1575 0.1304)
OKLCH	oklch(67.81% 0.205 140.4)
XYZ	xyz(18.7381, 33.8520, 7.1364)
Luminance	0.3385 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B423 #9723B4

analogous

#89B423 #40B423 #23B44F

triadic

#40B423 #2340B4 #B42340

tetradic

#40B423 #2389B4 #9723B4 #B44F23

square

#40B423 #2389B4 #9723B4 #B44F23

split-complementary

#40B423 #4F23B4 #B42389

monochromatic

#1C4E0F #2E8119 #40B423 #5BD93B #86E36E

Accessibility & contrast

On white

2.70

#40B423 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#40B423 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B423

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B423	#FFFFFF	#000000	##000000
##40B423	1.00	2.70	7.77	7.77
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.77	21.00	1.00	1.00
##000000	7.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AB9A35

Tritanopia (blue-blind)

#2DAE9A

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b423;
/* rgb */ color: rgb(64, 180, 35);
/* oklch */ color: oklch(67.8% 0.204 140.4);

Tailwind

colors: {
  custom: {
    50: '#84cb6b',
    500: '#40b423',
    950: '#000000',
  },
}

SCSS

$custom: #40b423;
$custom-light: #84cb6b;
$custom-dark: #000000;

JSON

{
  "hex": "#40b423",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 35
  },
  "hsl": {
    "h": 108,
    "s": 67.442,
    "l": 42.157
  },
  "oklch": {
    "l": 0.67806,
    "c": 0.2045,
    "h": 140.4
  },
  "luminance": 0.33854
}

Semantic roles & 50–950 ramp

primary

#40B423

secondary

#B669C9

accent

#3DEAC8

background

#F8FCF6

surface

#F0F9EC

border

#CBD2C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40B423

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

Preview Lab → · Contrast checker → · Palette generator →