#40B758#40B758

#40B758 is a light, vivid green. Relative luminance 0.357; OKLCH L 69.1% C 0.171 H 147.1°. Best body text is #000000 at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#40B758
RGB	rgb(64, 183, 88)
HSL	hsl(132, 48%, 48%)
HSV	hsv(132, 65%, 72%)
CMYK	cmyk(65%, 0%, 51.9%, 28.2%)
CIE-LAB	lab(66.26, -53.22, 38.49)
CIE-LCH	lch(66.26, 65.68, 144.12°)
OKLab	oklab(69.12% -0.1437 0.0928)
OKLCH	oklch(69.12% 0.171 147.1)
XYZ	xyz(20.8078, 35.6594, 15.0170)
Luminance	0.3566 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40B758 #B7409F

analogous

#63B740 #40B758 #40B793

triadic

#40B758 #5840B7 #B75840

tetradic

#40B758 #4063B7 #B7409F #B79340

square

#40B758 #4063B7 #B7409F #B79340

split-complementary

#40B758 #9340B7 #B74063

monochromatic

#205C2C #308A42 #40B758 #69CB7D #97DBA4

Accessibility & contrast

On white

2.58

#40B758 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.13

#40B758 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40B758

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40B758	#FFFFFF	#000000	##000000
##40B758	1.00	2.58	8.13	8.13
#FFFFFF	2.58	1.00	21.00	21.00
#000000	8.13	21.00	1.00	1.00
##000000	8.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A750

Deuteranopia (green-blind)

#AA9D5F

Tritanopia (blue-blind)

#1AB3A1

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #40b758;
/* rgb */ color: rgb(64, 183, 88);
/* oklch */ color: oklch(69.1% 0.171 147.1);

Tailwind

colors: {
  custom: {
    50: '#82ce89',
    500: '#40b758',
    950: '#000000',
  },
}

SCSS

$custom: #40b758;
$custom-light: #82ce89;
$custom-dark: #000000;

JSON

{
  "hex": "#40b758",
  "rgb": {
    "r": 64,
    "g": 183,
    "b": 88
  },
  "hsl": {
    "h": 132.101,
    "s": 48.178,
    "l": 48.431
  },
  "oklch": {
    "l": 0.69122,
    "c": 0.17103,
    "h": 147.1
  },
  "luminance": 0.35662
}

Semantic roles & 50–950 ramp

primary

#40B758

secondary

#C68DBB

accent

#50BCD8

background

#F8FCF8

surface

#F0F9F0

border

#CBD2CB

text

#0C140C

muted

#7D827D

Preview Lab

Preview with #40B758

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

Preview Lab → · Contrast checker → · Palette generator →