#40B950#40B950

#40B950 is a light, vivid green. Relative luminance 0.364; OKLCH L 69.5% C 0.181 H 145.5°. Best body text is #000000 at 8.27:1 contrast (WCAG AA passes).

Color values

HEX	#40B950
RGB	rgb(64, 185, 80)
HSL	hsl(128, 49%, 49%)
HSV	hsv(128, 65%, 73%)
CMYK	cmyk(65.4%, 0%, 56.8%, 27.5%)
CIE-LAB	lab(66.80, -55.05, 43.01)
CIE-LCH	lch(66.80, 69.86, 142.00°)
OKLab	oklab(69.54% -0.1488 0.1022)
OKLCH	oklch(69.54% 0.181 145.5)
XYZ	xyz(20.9099, 36.3650, 13.5050)
Luminance	0.3637 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B950 #B940A9

analogous

#6DB940 #40B950 #40B98D

triadic

#40B950 #5040B9 #B95040

tetradic

#40B950 #406DB9 #B940A9 #B98D40

square

#40B950 #406DB9 #B940A9 #B98D40

split-complementary

#40B950 #8D40B9 #B9406D

monochromatic

#215E29 #308C3C #40B950 #6BCC77 #98DBA1

Accessibility & contrast

On white

2.54

#40B950 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.27

#40B950 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B950

8.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B950	#FFFFFF	#000000	##000000
##40B950	1.00	2.54	8.27	8.27
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.27	21.00	1.00	1.00
##000000	8.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA946

Deuteranopia (green-blind)

#AD9F58

Tritanopia (blue-blind)

#1EB5A2

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #40b950;
/* rgb */ color: rgb(64, 185, 80);
/* oklch */ color: oklch(69.5% 0.181 145.5);

Tailwind

colors: {
  custom: {
    50: '#83cf84',
    500: '#40b950',
    950: '#000000',
  },
}

SCSS

$custom: #40b950;
$custom-light: #83cf84;
$custom-dark: #000000;

JSON

{
  "hex": "#40b950",
  "rgb": {
    "r": 64,
    "g": 185,
    "b": 80
  },
  "hsl": {
    "h": 127.934,
    "s": 48.594,
    "l": 48.824
  },
  "oklch": {
    "l": 0.69536,
    "c": 0.18056,
    "h": 145.5
  },
  "luminance": 0.36367
}

Semantic roles & 50–950 ramp

primary

#40B950

secondary

#C78EC0

accent

#50C6D8

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140B

muted

#7D827C

Preview Lab

Preview with #40B950

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

Preview Lab → · Contrast checker → · Palette generator →