#3FCA3B#3FCA3B

#3FCA3B is a light, highly saturated green. Relative luminance 0.436; OKLCH L 73.7% C 0.217 H 142.6°. Best body text is #000000 at 9.72:1 contrast (WCAG AA passes).

Color values

HEX	#3FCA3B
RGB	rgb(63, 202, 59)
HSL	hsl(118, 57%, 51%)
HSV	hsv(118, 71%, 79%)
CMYK	cmyk(68.8%, 0%, 70.8%, 20.8%)
CIE-LAB	lab(71.97, -63.32, 57.70)
CIE-LCH	lch(71.97, 85.67, 137.66°)
OKLab	oklab(73.75% -0.1721 0.1314)
OKLCH	oklch(73.75% 0.217 142.6)
XYZ	xyz(23.9584, 43.6110, 11.2920)
Luminance	0.4361 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FCA3B #C63BCA

analogous

#86CA3B #3FCA3B #3BCA7E

triadic

#3FCA3B #3B3FCA #CA3B3F

tetradic

#3FCA3B #3B86CA #C63BCA #CA7E3B

square

#3FCA3B #3B86CA #C63BCA #CA7E3B

split-complementary

#3FCA3B #7E3BCA #CA3B86

monochromatic

#206D1E #2E9D2B #3FCA3B #6ED76B #9DE49B

Accessibility & contrast

On white

2.16

#3FCA3B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.72

#3FCA3B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FCA3B

9.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FCA3B	#FFFFFF	#000000	##000000
##3FCA3B	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)

#CEB724

Deuteranopia (green-blind)

#BEAC49

Tritanopia (blue-blind)

#18C4AE

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #3fca3b;
/* rgb */ color: rgb(63, 202, 59);
/* oklch */ color: oklch(73.7% 0.217 142.6);

Tailwind

colors: {
  custom: {
    50: '#87db79',
    500: '#3fca3b',
    950: '#000000',
  },
}

SCSS

$custom: #3fca3b;
$custom-light: #87db79;
$custom-dark: #000000;

JSON

{
  "hex": "#3fca3b",
  "rgb": {
    "r": 63,
    "g": 202,
    "b": 59
  },
  "hsl": {
    "h": 118.322,
    "s": 57.43,
    "l": 51.176
  },
  "oklch": {
    "l": 0.73748,
    "c": 0.21656,
    "h": 142.6
  },
  "luminance": 0.43614
}

Semantic roles & 50–950 ramp

primary

#3FCA3B

secondary

#CE91D0

accent

#47E1DC

background

#F9FDF7

surface

#F1FBEE

border

#CBD4C9

text

#0D150A

muted

#7E837C

Preview Lab

Preview with #3FCA3B

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

Preview Lab → · Contrast checker → · Palette generator →