#40B258#40B258

#40B258 is a light, vivid green. Relative luminance 0.336; OKLCH L 67.8% C 0.164 H 147.5°. Best body text is #000000 at 7.73:1 contrast (WCAG AA passes).

Color values

HEX	#40B258
RGB	rgb(64, 178, 88)
HSL	hsl(133, 47%, 47%)
HSV	hsv(133, 64%, 70%)
CMYK	cmyk(64%, 0%, 50.6%, 30.2%)
CIE-LAB	lab(64.67, -51.34, 36.53)
CIE-LCH	lch(64.67, 63.02, 144.57°)
OKLab	oklab(67.81% -0.1386 0.0884)
OKLCH	oklch(67.81% 0.164 147.5)
XYZ	xyz(19.7948, 33.6334, 14.6793)
Luminance	0.3363 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B258 #B2409A

analogous

#61B240 #40B258 #40B291

triadic

#40B258 #5840B2 #B25840

tetradic

#40B258 #4061B2 #B2409A #B29140

square

#40B258 #4061B2 #B2409A #B29140

split-complementary

#40B258 #9140B2 #B24061

monochromatic

#20582B #308542 #40B258 #67C87B #94D8A2

Accessibility & contrast

On white

2.72

#40B258 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.73

#40B258 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B258

7.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B258	#FFFFFF	#000000	##000000
##40B258	1.00	2.72	7.73	7.73
#FFFFFF	2.72	1.00	21.00	21.00
#000000	7.73	21.00	1.00	1.00
##000000	7.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B4A350

Deuteranopia (green-blind)

#A6995E

Tritanopia (blue-blind)

#1EAE9D

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #40b258;
/* rgb */ color: rgb(64, 178, 88);
/* oklch */ color: oklch(67.8% 0.164 147.5);

Tailwind

colors: {
  custom: {
    50: '#82ca89',
    500: '#40b258',
    950: '#000000',
  },
}

SCSS

$custom: #40b258;
$custom-light: #82ca89;
$custom-dark: #000000;

JSON

{
  "hex": "#40b258",
  "rgb": {
    "r": 64,
    "g": 178,
    "b": 88
  },
  "hsl": {
    "h": 132.632,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.67812,
    "c": 0.16442,
    "h": 147.5
  },
  "luminance": 0.33635
}

Semantic roles & 50–950 ramp

primary

#40B258

secondary

#C48AB8

accent

#51BBD7

background

#F8FCF8

surface

#F0F8F0

border

#CBD1CB

text

#0B130C

muted

#7C827D

Preview Lab

Preview with #40B258

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

Preview Lab → · Contrast checker → · Palette generator →