#51BC66#51BC66

#51BC66 is a light, vivid green. Relative luminance 0.387; OKLCH L 71.2% C 0.158 H 147.7°. Best body text is #000000 at 8.74:1 contrast (WCAG AA passes).

Color values

HEX	#51BC66
RGB	rgb(81, 188, 102)
HSL	hsl(132, 44%, 53%)
HSV	hsv(132, 57%, 74%)
CMYK	cmyk(56.9%, 0%, 45.7%, 26.3%)
CIE-LAB	lab(68.51, -49.25, 34.38)
CIE-LCH	lch(68.51, 60.07, 145.08°)
OKLab	oklab(71.18% -0.1333 0.0842)
OKLCH	oklch(71.18% 0.158 147.7)
XYZ	xyz(23.7733, 38.6729, 18.7796)
Luminance	0.3867 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC66 #BC51A7

analogous

#71BC51 #51BC66 #51BC9C

triadic

#51BC66 #6651BC #BC6651

tetradic

#51BC66 #5171BC #BC51A7 #BC9C51

square

#51BC66 #5171BC #BC51A7 #BC9C51

split-complementary

#51BC66 #9C51BC #BC5171

monochromatic

#296A36 #3A964C #51BC66 #7DCD8D #A9DEB4

Accessibility & contrast

On white

2.40

#51BC66 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.74

#51BC66 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC66

8.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC66	#FFFFFF	#000000	##000000
##51BC66	1.00	2.40	8.74	8.74
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.74	21.00	1.00	1.00
##000000	8.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BEAD5F

Deuteranopia (green-blind)

#B0A36C

Tritanopia (blue-blind)

#39B8A7

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bc66;
/* rgb */ color: rgb(81, 188, 102);
/* oklch */ color: oklch(71.2% 0.158 147.7);

Tailwind

colors: {
  custom: {
    50: '#8bd193',
    500: '#51bc66',
    950: '#000000',
  },
}

SCSS

$custom: #51bc66;
$custom-light: #8bd193;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc66",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 102
  },
  "hsl": {
    "h": 131.776,
    "s": 44.398,
    "l": 52.745
  },
  "oklch": {
    "l": 0.7118,
    "c": 0.15764,
    "h": 147.7
  },
  "luminance": 0.38675
}

Semantic roles & 50–950 ramp

primary

#51BC66

secondary

#CC9DC2

accent

#54BBD4

background

#F9FCF9

surface

#F1F9F1

border

#CBD2CB

text

#0D140D

muted

#7E827E

Preview Lab

Preview with #51BC66

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

Preview Lab → · Contrast checker → · Palette generator →