#40B41F#40B41F

#40B41F is a light, highly saturated green. Relative luminance 0.338; OKLCH L 67.8% C 0.206 H 140.2°. Best body text is #000000 at 7.77:1 contrast (WCAG AA passes).

Color values

HEX	#40B41F
RGB	rgb(64, 180, 31)
HSL	hsl(107, 71%, 41%)
HSV	hsv(107, 83%, 71%)
CMYK	cmyk(64.4%, 0%, 82.8%, 29.4%)
CIE-LAB	lab(64.83, -57.68, 59.85)
CIE-LCH	lch(64.83, 83.12, 133.94°)
OKLab	oklab(67.79% -0.1583 0.1321)
OKLCH	oklch(67.79% 0.206 140.2)
XYZ	xyz(18.6820, 33.8296, 6.8413)
Luminance	0.3383 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B41F #931FB4

analogous

#8BB41F #40B41F #1FB448

triadic

#40B41F #1F40B4 #B41F40

tetradic

#40B41F #1F8BB4 #931FB4 #B4481F

square

#40B41F #1F8BB4 #931FB4 #B4481F

split-complementary

#40B41F #481FB4 #B41F8B

monochromatic

#1B4C0D #2D8016 #40B41F #59DC34 #84E568

Accessibility & contrast

On white

2.70

#40B41F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.77

#40B41F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B41F

7.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B41F	#FFFFFF	#000000	##000000
##40B41F	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)

#AB9A32

Tritanopia (blue-blind)

#2EAE99

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b41f;
/* rgb */ color: rgb(64, 180, 31);
/* oklch */ color: oklch(67.8% 0.206 140.2);

Tailwind

colors: {
  custom: {
    50: '#84cb69',
    500: '#40b41f',
    950: '#000000',
  },
}

SCSS

$custom: #40b41f;
$custom-light: #84cb69;
$custom-dark: #000000;

JSON

{
  "hex": "#40b41f",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 31
  },
  "hsl": {
    "h": 106.711,
    "s": 70.616,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67786,
    "c": 0.20619,
    "h": 140.2
  },
  "luminance": 0.33831
}

Semantic roles & 50–950 ramp

primary

#40B41F

secondary

#B464CB

accent

#3AEDC6

background

#F8FCF6

surface

#F0F9EC

border

#CBD2C7

text

#0C1307

muted

#7D827A

Preview Lab

Preview with #40B41F

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

Preview Lab → · Contrast checker → · Palette generator →