#51C366#51C366

#51C366 is a light, vivid green. Relative luminance 0.417; OKLCH L 73.0% C 0.167 H 147.3°. Best body text is #000000 at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#51C366
RGB	rgb(81, 195, 102)
HSL	hsl(131, 49%, 54%)
HSV	hsv(131, 58%, 76%)
CMYK	cmyk(58.5%, 0%, 47.7%, 23.5%)
CIE-LAB	lab(70.69, -52.00, 37.14)
CIE-LCH	lch(70.69, 63.90, 144.47°)
OKLab	oklab(72.97% -0.1407 0.0904)
OKLCH	oklch(72.97% 0.167 147.3)
XYZ	xyz(25.3050, 41.7365, 19.2902)
Luminance	0.4174 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C366 #C351AE

analogous

#75C351 #51C366 #51C39F

triadic

#51C366 #6651C3 #C36651

tetradic

#51C366 #5175C3 #C351AE #C39F51

square

#51C366 #5175C3 #C351AE #C39F51

split-complementary

#51C366 #9F51C3 #C35175

monochromatic

#277235 #37A04A #51C366 #7FD38E #ACE2B6

Accessibility & contrast

On white

2.25

#51C366 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.35

#51C366 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C366

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C366	#FFFFFF	#000000	##000000
##51C366	1.00	2.25	9.35	9.35
#FFFFFF	2.25	1.00	21.00	21.00
#000000	9.35	21.00	1.00	1.00
##000000	9.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5B35F

Deuteranopia (green-blind)

#B6A96C

Tritanopia (blue-blind)

#37BFAD

Achromatopsia (no color)

#ADADAD

Design tokens & code

CSS

--color: #51c366;
/* rgb */ color: rgb(81, 195, 102);
/* oklch */ color: oklch(73.0% 0.167 147.3);

Tailwind

colors: {
  custom: {
    50: '#8cd693',
    500: '#51c366',
    950: '#000000',
  },
}

SCSS

$custom: #51c366;
$custom-light: #8cd693;
$custom-dark: #000000;

JSON

{
  "hex": "#51c366",
  "rgb": {
    "r": 81,
    "g": 195,
    "b": 102
  },
  "hsl": {
    "h": 131.053,
    "s": 48.718,
    "l": 54.118
  },
  "oklch": {
    "l": 0.72968,
    "c": 0.16722,
    "h": 147.3
  },
  "luminance": 0.41739
}

Semantic roles & 50–950 ramp

primary

#51C366

secondary

#D0A0C7

accent

#50BFD8

background

#F9FDF9

surface

#F1FAF1

border

#CBD3CB

text

#0D140D

muted

#7E837E

Preview Lab

Preview with #51C366

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

Preview Lab → · Contrast checker → · Palette generator →