#3FB538#3FB538

#3FB538 is a light, vivid green. Relative luminance 0.344; OKLCH L 68.2% C 0.194 H 142.3°. Best body text is #000000 at 7.88:1 contrast (WCAG AA passes).

Color values

HEX	#3FB538
RGB	rgb(63, 181, 56)
HSL	hsl(117, 53%, 46%)
HSV	hsv(117, 69%, 71%)
CMYK	cmyk(65.2%, 0%, 69.1%, 29%)
CIE-LAB	lab(65.27, -56.48, 51.85)
CIE-LCH	lch(65.27, 76.67, 137.45°)
OKLab	oklab(68.19% -0.1537 0.1188)
OKLCH	oklch(68.19% 0.194 142.3)
XYZ	xyz(19.2865, 34.3881, 9.3618)
Luminance	0.3439 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB538 #AE38B5

analogous

#7EB538 #3FB538 #38B570

triadic

#3FB538 #383FB5 #B5383F

tetradic

#3FB538 #387EB5 #AE38B5 #B57038

square

#3FB538 #387EB5 #AE38B5 #B57038

split-complementary

#3FB538 #7038B5 #B5387E

monochromatic

#1E581B #2F862A #3FB538 #64CD5D #90DB8C

Accessibility & contrast

On white

2.67

#3FB538 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.88

#3FB538 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB538

7.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB538	#FFFFFF	#000000	##000000
##3FB538	1.00	2.67	7.88	7.88
#FFFFFF	2.67	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)

#B9A426

Deuteranopia (green-blind)

#AB9B44

Tritanopia (blue-blind)

#27B09C

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #3fb538;
/* rgb */ color: rgb(63, 181, 56);
/* oklch */ color: oklch(68.2% 0.194 142.3);

Tailwind

colors: {
  custom: {
    50: '#83cc75',
    500: '#3fb538',
    950: '#000000',
  },
}

SCSS

$custom: #3fb538;
$custom-light: #83cc75;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb538",
  "rgb": {
    "r": 63,
    "g": 181,
    "b": 56
  },
  "hsl": {
    "h": 116.64,
    "s": 52.743,
    "l": 46.471
  },
  "oklch": {
    "l": 0.68192,
    "c": 0.19428,
    "h": 142.3
  },
  "luminance": 0.3439
}

Semantic roles & 50–950 ramp

primary

#3FB538

secondary

#C283C6

accent

#4CDCD4

background

#F8FCF7

surface

#F0F9ED

border

#CBD2C8

text

#0C1309

muted

#7D827B

Preview Lab

Preview with #3FB538

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

Preview Lab → · Contrast checker → · Palette generator →