#3FB74B#3FB74B

#3FB74B is a light, vivid green. Relative luminance 0.354; OKLCH L 68.9% C 0.183 H 144.9°. Best body text is #000000 at 8.09:1 contrast (WCAG AA passes).

Color values

HEX	#3FB74B
RGB	rgb(63, 183, 75)
HSL	hsl(126, 49%, 48%)
HSV	hsv(126, 66%, 72%)
CMYK	cmyk(65.6%, 0%, 59%, 28.2%)
CIE-LAB	lab(66.08, -55.16, 44.51)
CIE-LCH	lch(66.08, 70.88, 141.10°)
OKLab	oklab(68.92% -0.1493 0.1051)
OKLCH	oklch(68.92% 0.183 144.9)
XYZ	xyz(20.2521, 35.4297, 12.4266)
Luminance	0.3543 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB74B #B73FAB

analogous

#6FB73F #3FB74B #3FB787

triadic

#3FB74B #4B3FB7 #B74B3F

tetradic

#3FB74B #3F6FB7 #B73FAB #B7873F

square

#3FB74B #3F6FB7 #B73FAB #B7873F

split-complementary

#3FB74B #873FB7 #B73F6F

monochromatic

#205C26 #2F8938 #3FB74B #68CB72 #96DB9D

Accessibility & contrast

On white

2.60

#3FB74B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.09

#3FB74B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB74B

8.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB74B	#FFFFFF	#000000	##000000
##3FB74B	1.00	2.60	8.09	8.09
#FFFFFF	2.60	1.00	21.00	21.00
#000000	8.09	21.00	1.00	1.00
##000000	8.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BAA740

Deuteranopia (green-blind)

#AB9D54

Tritanopia (blue-blind)

#1FB29F

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #3fb74b;
/* rgb */ color: rgb(63, 183, 75);
/* oklch */ color: oklch(68.9% 0.183 144.9);

Tailwind

colors: {
  custom: {
    50: '#83ce81',
    500: '#3fb74b',
    950: '#000000',
  },
}

SCSS

$custom: #3fb74b;
$custom-light: #83ce81;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb74b",
  "rgb": {
    "r": 63,
    "g": 183,
    "b": 75
  },
  "hsl": {
    "h": 126,
    "s": 48.78,
    "l": 48.235
  },
  "oklch": {
    "l": 0.6892,
    "c": 0.18255,
    "h": 144.9
  },
  "luminance": 0.35432
}

Semantic roles & 50–950 ramp

primary

#3FB74B

secondary

#C68BC0

accent

#4FCBD8

background

#F8FCF8

surface

#F0F9EF

border

#CBD2CA

text

#0C140A

muted

#7D827C

Preview Lab

Preview with #3FB74B

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

Preview Lab → · Contrast checker → · Palette generator →