#40CA55#40CA55

#40CA55 is a light, vivid green. Relative luminance 0.440; OKLCH L 74.0% C 0.198 H 145.7°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#40CA55
RGB	rgb(64, 202, 85)
HSL	hsl(129, 57%, 52%)
HSV	hsv(129, 68%, 79%)
CMYK	cmyk(68.3%, 0%, 57.9%, 20.8%)
CIE-LAB	lab(72.22, -60.43, 47.06)
CIE-LCH	lch(72.22, 76.60, 142.09°)
OKLab	oklab(74.04% -0.1632 0.1114)
OKLCH	oklch(74.04% 0.198 145.7)
XYZ	xyz(24.8729, 43.9842, 15.7716)
Luminance	0.4399 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#40CA55 #CA40B5

analogous

#70CA40 #40CA55 #40CA9A

triadic

#40CA55 #5540CA #CA5540

tetradic

#40CA55 #4070CA #CA40B5 #CA9A40

square

#40CA55 #4070CA #CA40B5 #CA9A40

split-complementary

#40CA55 #9A40CA #CA4070

monochromatic

#1F702C #2CA03E #40CA55 #70D780 #A0E5AA

Accessibility & contrast

On white

2.14

#40CA55 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#40CA55 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #40CA55

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##40CA55	#FFFFFF	#000000	##000000
##40CA55	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB849

Deuteranopia (green-blind)

#BDAD5E

Tritanopia (blue-blind)

#09C5B0

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #40ca55;
/* rgb */ color: rgb(64, 202, 85);
/* oklch */ color: oklch(74.0% 0.198 145.7);

Tailwind

colors: {
  custom: {
    50: '#86db88',
    500: '#40ca55',
    950: '#000000',
  },
}

SCSS

$custom: #40ca55;
$custom-light: #86db88;
$custom-dark: #000000;

JSON

{
  "hex": "#40ca55",
  "rgb": {
    "r": 64,
    "g": 202,
    "b": 85
  },
  "hsl": {
    "h": 129.13,
    "s": 56.557,
    "l": 52.157
  },
  "oklch": {
    "l": 0.74035,
    "c": 0.19762,
    "h": 145.7
  },
  "luminance": 0.43987
}

Semantic roles & 50–950 ramp

primary

#40CA55

secondary

#D195C8

accent

#48C9E0

background

#F8FDF8

surface

#F0FBF0

border

#CBD4CB

text

#0D150C

muted

#7D837D

Preview Lab

Preview with #40CA55

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

Preview Lab → · Contrast checker → · Palette generator →