#3FB53B#3FB53B

#3FB53B is a light, vivid green. Relative luminance 0.344; OKLCH L 68.2% C 0.192 H 142.7°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3FB53B
RGB	rgb(63, 181, 59)
HSL	hsl(118, 51%, 47%)
HSV	hsv(118, 67%, 71%)
CMYK	cmyk(65.2%, 0%, 67.4%, 29%)
CIE-LAB	lab(65.29, -56.20, 50.65)
CIE-LCH	lch(65.29, 75.66, 137.97°)
OKLab	oklab(68.22% -0.1528 0.1166)
OKLCH	oklch(68.22% 0.192 142.7)
XYZ	xyz(19.3621, 34.4183, 9.7598)
Luminance	0.3442 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB53B #B13BB5

analogous

#7CB53B #3FB53B #3BB574

triadic

#3FB53B #3B3FB5 #B53B3F

tetradic

#3FB53B #3B7CB5 #B13BB5 #B5743B

square

#3FB53B #3B7CB5 #B13BB5 #B5743B

split-complementary

#3FB53B #743BB5 #B53B7C

monochromatic

#1F591D #2F872C #3FB53B #65CC62 #92DB90

Accessibility & contrast

On white

2.66

#3FB53B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#3FB53B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB53B

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB53B	#FFFFFF	#000000	##000000
##3FB53B	1.00	2.66	7.88	7.88
#FFFFFF	2.66	1.00	21.00	21.00
#000000	7.88	21.00	1.00	1.00
##000000	7.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A42A

Deuteranopia (green-blind)

#AB9B46

Tritanopia (blue-blind)

#26B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #3fb53b;
/* rgb */ color: rgb(63, 181, 59);
/* oklch */ color: oklch(68.2% 0.192 142.7);

Tailwind

colors: {
  custom: {
    50: '#83cc77',
    500: '#3fb53b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb53b;
$custom-light: #83cc77;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb53b",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 59
  },
  "hsl": {
    "h": 118.033,
    "s": 50.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.68219,
    "c": 0.19224,
    "h": 142.7
  },
  "luminance": 0.3442
}

Semantic roles & 50–950 ramp

primary

#3FB53B

secondary

#C486C6

accent

#4DDAD6

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB53B

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

Preview Lab → · Contrast checker → · Palette generator →