#40B351#40B351

#40B351 is a light, vivid green. Relative luminance 0.339; OKLCH L 68.0% C 0.172 H 145.9°. Best body text is #000000 at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#40B351
RGB	rgb(64, 179, 81)
HSL	hsl(129, 47%, 48%)
HSV	hsv(129, 64%, 70%)
CMYK	cmyk(64.2%, 0%, 54.7%, 29.8%)
CIE-LAB	lab(64.90, -52.72, 40.27)
CIE-LCH	lch(64.90, 66.34, 142.62°)
OKLab	oklab(67.97% -0.1425 0.0963)
OKLCH	oklch(67.97% 0.172 145.9)
XYZ	xyz(19.7184, 33.9223, 13.2915)
Luminance	0.3392 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B351 #B340A2

analogous

#68B340 #40B351 #40B38B

triadic

#40B351 #5140B3 #B35140

tetradic

#40B351 #4068B3 #B340A2 #B38B40

square

#40B351 #4068B3 #B340A2 #B38B40

split-complementary

#40B351 #8B40B3 #B34068

monochromatic

#205928 #30863D #40B351 #67C976 #94D99F

Accessibility & contrast

On white

2.70

#40B351 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.78

#40B351 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B351

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B351	#FFFFFF	#000000	##000000
##40B351	1.00	2.70	7.78	7.78
#FFFFFF	2.70	1.00	21.00	21.00
#000000	7.78	21.00	1.00	1.00
##000000	7.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A348

Deuteranopia (green-blind)

#A79A58

Tritanopia (blue-blind)

#21AF9D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b351;
/* rgb */ color: rgb(64, 179, 81);
/* oklch */ color: oklch(68.0% 0.172 145.9);

Tailwind

colors: {
  custom: {
    50: '#82cb84',
    500: '#40b351',
    950: '#000000',
  },
}

SCSS

$custom: #40b351;
$custom-light: #82cb84;
$custom-dark: #000000;

JSON

{
  "hex": "#40b351",
  "rgb": {
    "r": 64,
    "g": 179,
    "b": 81
  },
  "hsl": {
    "h": 128.87,
    "s": 47.325,
    "l": 47.647
  },
  "oklch": {
    "l": 0.67973,
    "c": 0.17199,
    "h": 145.9
  },
  "luminance": 0.33924
}

Semantic roles & 50–950 ramp

primary

#40B351

secondary

#C48ABC

accent

#51C3D7

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C130B

muted

#7D827C

Preview Lab

Preview with #40B351

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

Preview Lab → · Contrast checker → · Palette generator →