#40B151#40B151

#40B151 is a light, vivid green. Relative luminance 0.331; OKLCH L 67.4% C 0.169 H 146.0°. Best body text is #000000 at 7.63:1 contrast (WCAG AA passes).

Color values

HEX	#40B151
RGB	rgb(64, 177, 81)
HSL	hsl(129, 47%, 47%)
HSV	hsv(129, 64%, 69%)
CMYK	cmyk(63.8%, 0%, 54.2%, 30.6%)
CIE-LAB	lab(64.26, -51.97, 39.50)
CIE-LCH	lch(64.26, 65.28, 142.76°)
OKLab	oklab(67.45% -0.1405 0.0946)
OKLCH	oklch(67.45% 0.169 146)
XYZ	xyz(19.3204, 33.1264, 13.1588)
Luminance	0.3313 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B151 #B140A0

analogous

#67B140 #40B151 #40B18A

triadic

#40B151 #5140B1 #B15140

tetradic

#40B151 #4067B1 #B140A0 #B18A40

square

#40B151 #4067B1 #B140A0 #B18A40

split-complementary

#40B151 #8A40B1 #B14067

monochromatic

#1F5728 #30843C #40B151 #66C875 #93D89E

Accessibility & contrast

On white

2.75

#40B151 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.63

#40B151 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B151

7.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B151	#FFFFFF	#000000	##000000
##40B151	1.00	2.75	7.63	7.63
#FFFFFF	2.75	1.00	21.00	21.00
#000000	7.63	21.00	1.00	1.00
##000000	7.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A248

Deuteranopia (green-blind)

#A59858

Tritanopia (blue-blind)

#22AD9B

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #40b151;
/* rgb */ color: rgb(64, 177, 81);
/* oklch */ color: oklch(67.4% 0.169 146.0);

Tailwind

colors: {
  custom: {
    50: '#82c984',
    500: '#40b151',
    950: '#000000',
  },
}

SCSS

$custom: #40b151;
$custom-light: #82c984;
$custom-dark: #000000;

JSON

{
  "hex": "#40b151",
  "rgb": {
    "r": 64,
    "g": 177,
    "b": 81
  },
  "hsl": {
    "h": 129.027,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67447,
    "c": 0.16938,
    "h": 146
  },
  "luminance": 0.33128
}

Semantic roles & 50–950 ramp

primary

#40B151

secondary

#C389BB

accent

#51C2D7

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #40B151

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

Preview Lab → · Contrast checker → · Palette generator →