#3FB251#3FB251

#3FB251 is a light, vivid green. Relative luminance 0.335; OKLCH L 67.7% C 0.171 H 146.1°. Best body text is #000000 at 7.70:1 contrast (WCAG AA passes).

Color values

HEX	#3FB251
RGB	rgb(63, 178, 81)
HSL	hsl(129, 48%, 47%)
HSV	hsv(129, 65%, 70%)
CMYK	cmyk(64.6%, 0%, 54.5%, 30.2%)
CIE-LAB	lab(64.56, -52.56, 39.85)
CIE-LCH	lch(64.56, 65.96, 142.83°)
OKLab	oklab(67.68% -0.142 0.0954)
OKLCH	oklch(67.68% 0.171 146.1)
XYZ	xyz(19.4542, 33.4897, 13.2219)
Luminance	0.3349 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3FB251 #B23FA0

analogous

#67B23F #3FB251 #3FB28A

triadic

#3FB251 #513FB2 #B2513F

tetradic

#3FB251 #3F67B2 #B23FA0 #B28A3F

square

#3FB251 #3F67B2 #B23FA0 #B28A3F

split-complementary

#3FB251 #8A3FB2 #B23F67

monochromatic

#1F5828 #2F853C #3FB251 #66C975 #93D99E

Accessibility & contrast

On white

2.73

#3FB251 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.70

#3FB251 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #3FB251

7.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3FB251	#FFFFFF	#000000	##000000
##3FB251	1.00	2.73	7.70	7.70
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.70	21.00	1.00	1.00
##000000	7.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A348

Deuteranopia (green-blind)

#A69958

Tritanopia (blue-blind)

#1FAE9C

Achromatopsia (no color)

#9D9D9D

Design tokens & code

CSS

--color: #3fb251;
/* rgb */ color: rgb(63, 178, 81);
/* oklch */ color: oklch(67.7% 0.171 146.1);

Tailwind

colors: {
  custom: {
    50: '#81ca84',
    500: '#3fb251',
    950: '#000000',
  },
}

SCSS

$custom: #3fb251;
$custom-light: #81ca84;
$custom-dark: #000000;

JSON

{
  "hex": "#3fb251",
  "rgb": {
    "r": 63,
    "g": 178,
    "b": 81
  },
  "hsl": {
    "h": 129.391,
    "s": 47.718,
    "l": 47.255
  },
  "oklch": {
    "l": 0.67681,
    "c": 0.17108,
    "h": 146.1
  },
  "luminance": 0.33492
}

Semantic roles & 50–950 ramp

primary

#3FB251

secondary

#C489BB

accent

#50C2D7

background

#F8FCF8

surface

#F0F8EF

border

#CBD1CA

text

#0B130B

muted

#7C827C

Preview Lab

Preview with #3FB251

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

Preview Lab → · Contrast checker → · Palette generator →