#3FB23F#3FB23F

#3FB23F is a light, vivid green. Relative luminance 0.333; OKLCH L 67.5% C 0.186 H 143.2°. Best body text is #000000 at 7.65:1 contrast (WCAG AA passes).

Color values

HEX	#3FB23F
RGB	rgb(63, 178, 63)
HSL	hsl(120, 48%, 47%)
HSV	hsv(120, 65%, 70%)
CMYK	cmyk(64.6%, 0%, 64.6%, 30.2%)
CIE-LAB	lab(64.37, -54.74, 47.95)
CIE-LCH	lch(64.37, 72.77, 138.78°)
OKLab	oklab(67.46% -0.1487 0.1113)
OKLCH	oklch(67.46% 0.186 143.2)
XYZ	xyz(18.8664, 33.2545, 10.1262)
Luminance	0.3326 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB23F #B23FB2

analogous

#79B23F #3FB23F #3FB279

triadic

#3FB23F #3F3FB2 #B23F3F

tetradic

#3FB23F #3F79B2 #B23FB2 #B2793F

square

#3FB23F #3F79B2 #B23FB2 #B2793F

split-complementary

#3FB23F #793FB2 #B23F79

monochromatic

#1F581F #2F852F #3FB23F #66C966 #93D993

Accessibility & contrast

On white

2.74

#3FB23F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.65

#3FB23F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB23F

7.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB23F	#FFFFFF	#000000	##000000
##3FB23F	1.00	2.74	7.65	7.65
#FFFFFF	2.74	1.00	21.00	21.00
#000000	7.65	21.00	1.00	1.00
##000000	7.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A231

Deuteranopia (green-blind)

#A89849

Tritanopia (blue-blind)

#26AD9A

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #3fb23f;
/* rgb */ color: rgb(63, 178, 63);
/* oklch */ color: oklch(67.5% 0.186 143.2);

Tailwind

colors: {
  custom: {
    50: '#82ca79',
    500: '#3fb23f',
    950: '#000000',
  },
}

SCSS

$custom: #3fb23f;
$custom-light: #82ca79;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb23f",
  "rgb": {
    "r": 63,
    "g": 178,
    "b": 63
  },
  "hsl": {
    "h": 120,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67464,
    "c": 0.18573,
    "h": 143.2
  },
  "luminance": 0.33256
}

Semantic roles & 50–950 ramp

primary

#3FB23F

secondary

#C489C4

accent

#50D7D7

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB23F

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

Preview Lab → · Contrast checker → · Palette generator →