#40C139#40C139

#40C139 is a light, highly saturated green. Relative luminance 0.395; OKLCH L 71.4% C 0.207 H 142.4°. Best body text is #000000 at 8.90:1 contrast (WCAG AA passes).

Color values

HEX	#40C139
RGB	rgb(64, 193, 57)
HSL	hsl(117, 54%, 49%)
HSV	hsv(117, 70%, 76%)
CMYK	cmyk(66.8%, 0%, 70.5%, 24.3%)
CIE-LAB	lab(69.13, -60.30, 55.52)
CIE-LCH	lch(69.13, 81.97, 137.37°)
OKLab	oklab(71.4% -0.1641 0.1266)
OKLCH	oklch(71.4% 0.207 142.4)
XYZ	xyz(21.9216, 39.5230, 10.3435)
Luminance	0.3952 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40C139 #BA39C1

analogous

#84C139 #40C139 #39C176

triadic

#40C139 #3940C1 #C13940

tetradic

#40C139 #3984C1 #BA39C1 #C17639

square

#40C139 #3984C1 #BA39C1 #C17639

split-complementary

#40C139 #7639C1 #C13984

monochromatic

#21631D #30922B #40C139 #6BD266 #99E095

Accessibility & contrast

On white

2.36

#40C139 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.90

#40C139 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40C139

8.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40C139	#FFFFFF	#000000	##000000
##40C139	1.00	2.36	8.90	8.90
#FFFFFF	2.36	1.00	21.00	21.00
#000000	8.90	21.00	1.00	1.00
##000000	8.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF23

Deuteranopia (green-blind)

#B6A546

Tritanopia (blue-blind)

#22BBA6

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #40c139;
/* rgb */ color: rgb(64, 193, 57);
/* oklch */ color: oklch(71.4% 0.207 142.4);

Tailwind

colors: {
  custom: {
    50: '#86d577',
    500: '#40c139',
    950: '#000000',
  },
}

SCSS

$custom: #40c139;
$custom-light: #86d577;
$custom-dark: #000000;

JSON

{
  "hex": "#40c139",
  "rgb": {
    "r": 64,
    "g": 193,
    "b": 57
  },
  "hsl": {
    "h": 116.912,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.71397,
    "c": 0.20724,
    "h": 142.4
  },
  "luminance": 0.39525
}

Semantic roles & 50–950 ramp

primary

#40C139

secondary

#C88BCB

accent

#4ADED6

background

#F8FDF7

surface

#F0FAEE

border

#CBD3C9

text

#0D1409

muted

#7D837B

Preview Lab

Preview with #40C139

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

Preview Lab → · Contrast checker → · Palette generator →