#40B454#40B454

#40B454 is a light, vivid green. Relative luminance 0.344; OKLCH L 68.3% C 0.171 H 146.5°. Best body text is #000000 at 7.87:1 contrast (WCAG AA passes).

Color values

HEX	#40B454
RGB	rgb(64, 180, 84)
HSL	hsl(130, 48%, 48%)
HSV	hsv(130, 64%, 71%)
CMYK	cmyk(64.4%, 0%, 53.3%, 29.4%)
CIE-LAB	lab(65.26, -52.67, 39.24)
CIE-LCH	lch(65.26, 65.68, 143.32°)
OKLab	oklab(68.28% -0.1423 0.0942)
OKLCH	oklch(68.28% 0.171 146.5)
XYZ	xyz(20.0345, 34.3706, 13.9642)
Luminance	0.3437 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B454 #B440A0

analogous

#66B440 #40B454 #40B48E

triadic

#40B454 #5440B4 #B45440

tetradic

#40B454 #4066B4 #B440A0 #B48E40

square

#40B454 #4066B4 #B440A0 #B48E40

split-complementary

#40B454 #8E40B4 #B44066

monochromatic

#205A2A #30873F #40B454 #68C979 #95D9A1

Accessibility & contrast

On white

2.67

#40B454 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.87

#40B454 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B454

7.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B454	#FFFFFF	#000000	##000000
##40B454	1.00	2.67	7.87	7.87
#FFFFFF	2.67	1.00	21.00	21.00
#000000	7.87	21.00	1.00	1.00
##000000	7.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A44B

Deuteranopia (green-blind)

#A89B5B

Tritanopia (blue-blind)

#1FB09E

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #40b454;
/* rgb */ color: rgb(64, 180, 84);
/* oklch */ color: oklch(68.3% 0.171 146.5);

Tailwind

colors: {
  custom: {
    50: '#82cb86',
    500: '#40b454',
    950: '#000000',
  },
}

SCSS

$custom: #40b454;
$custom-light: #82cb86;
$custom-dark: #000000;

JSON

{
  "hex": "#40b454",
  "rgb": {
    "r": 64,
    "g": 180,
    "b": 84
  },
  "hsl": {
    "h": 130.345,
    "s": 47.541,
    "l": 47.843
  },
  "oklch": {
    "l": 0.68278,
    "c": 0.17065,
    "h": 146.5
  },
  "luminance": 0.34373
}

Semantic roles & 50–950 ramp

primary

#40B454

secondary

#C58BBB

accent

#51C0D7

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #40B454

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

Preview Lab → · Contrast checker → · Palette generator →