#3FCA39#3FCA39

#3FCA39 is a light, highly saturated green. Relative luminance 0.436; OKLCH L 73.7% C 0.218 H 142.5°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#3FCA39
RGB	rgb(63, 202, 57)
HSL	hsl(118, 58%, 51%)
HSV	hsv(118, 72%, 79%)
CMYK	cmyk(68.8%, 0%, 71.8%, 20.8%)
CIE-LAB	lab(71.95, -63.49, 58.43)
CIE-LCH	lch(71.95, 86.28, 137.38°)
OKLab	oklab(73.73% -0.1727 0.1327)
OKLCH	oklch(73.73% 0.218 142.5)
XYZ	xyz(23.9076, 43.5907, 11.0240)
Luminance	0.4359 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCA39 #C439CA

analogous

#87CA39 #3FCA39 #39CA7B

triadic

#3FCA39 #393FCA #CA393F

tetradic

#3FCA39 #3987CA #C439CA #CA7B39

square

#3FCA39 #3987CA #C439CA #CA7B39

split-complementary

#3FCA39 #7B39CA #CA3987

monochromatic

#206C1D #2E9C2A #3FCA39 #6ED769 #9DE49A

Accessibility & contrast

On white

2.16

#3FCA39 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#3FCA39 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCA39

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCA39	#FFFFFF	#000000	##000000
##3FCA39	1.00	2.16	9.72	9.72
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.72	21.00	1.00	1.00
##000000	9.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFB720

Deuteranopia (green-blind)

#BEAC48

Tritanopia (blue-blind)

#19C4AE

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #3fca39;
/* rgb */ color: rgb(63, 202, 57);
/* oklch */ color: oklch(73.7% 0.218 142.5);

Tailwind

colors: {
  custom: {
    50: '#87db78',
    500: '#3fca39',
    950: '#000000',
  },
}

SCSS

$custom: #3fca39;
$custom-light: #87db78;
$custom-dark: #000000;

JSON

{
  "hex": "#3fca39",
  "rgb": {
    "r": 63,
    "g": 202,
    "b": 57
  },
  "hsl": {
    "h": 117.517,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.73732,
    "c": 0.21775,
    "h": 142.5
  },
  "luminance": 0.43593
}

Semantic roles & 50–950 ramp

primary

#3FCA39

secondary

#CD8FD0

accent

#47E1DB

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D1509

muted

#7E837B

Preview Lab

Preview with #3FCA39

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

Preview Lab → · Contrast checker → · Palette generator →