#40C039#40C039

#40C039 is a light, highly saturated green. Relative luminance 0.391; OKLCH L 71.1% C 0.206 H 142.4°. Best body text is #000000 at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#40C039
RGB	rgb(64, 192, 57)
HSL	hsl(117, 54%, 49%)
HSV	hsv(117, 70%, 75%)
CMYK	cmyk(66.7%, 0%, 70.3%, 24.7%)
CIE-LAB	lab(68.81, -59.96, 55.19)
CIE-LCH	lch(68.81, 81.49, 137.38°)
OKLab	oklab(71.13% -0.1632 0.1259)
OKLCH	oklch(71.13% 0.206 142.4)
XYZ	xyz(21.7013, 39.0824, 10.2701)
Luminance	0.3908 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C039 #B939C0

analogous

#84C039 #40C039 #39C076

triadic

#40C039 #3940C0 #C03940

tetradic

#40C039 #3984C0 #B939C0 #C07639

square

#40C039 #3984C0 #B939C0 #C07639

split-complementary

#40C039 #7639C0 #C03984

monochromatic

#21621D #30912B #40C039 #6BD165 #98DF94

Accessibility & contrast

On white

2.38

#40C039 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.82

#40C039 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C039

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C039	#FFFFFF	#000000	##000000
##40C039	1.00	2.38	8.82	8.82
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.82	21.00	1.00	1.00
##000000	8.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE24

Deuteranopia (green-blind)

#B5A446

Tritanopia (blue-blind)

#23BAA5

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #40c039;
/* rgb */ color: rgb(64, 192, 57);
/* oklch */ color: oklch(71.1% 0.206 142.4);

Tailwind

colors: {
  custom: {
    50: '#86d477',
    500: '#40c039',
    950: '#000000',
  },
}

SCSS

$custom: #40c039;
$custom-light: #86d477;
$custom-dark: #000000;

JSON

{
  "hex": "#40c039",
  "rgb": {
    "r": 64,
    "g": 192,
    "b": 57
  },
  "hsl": {
    "h": 116.889,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71134,
    "c": 0.20609,
    "h": 142.4
  },
  "luminance": 0.39085
}

Semantic roles & 50–950 ramp

primary

#40C039

secondary

#C78ACB

accent

#4ADED6

background

#F8FDF7

surface

#F0FAED

border

#CBD3C8

text

#0C1409

muted

#7D837B

Preview Lab

Preview with #40C039

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

Preview Lab → · Contrast checker → · Palette generator →