#51BC4E#51BC4E

#51BC4E is a light, vivid green. Relative luminance 0.383; OKLCH L 70.8% C 0.179 H 142.9°. Best body text is #000000 at 8.65:1 contrast (WCAG AA passes).

Color values

HEX	#51BC4E
RGB	rgb(81, 188, 78)
HSL	hsl(118, 45%, 52%)
HSV	hsv(118, 59%, 74%)
CMYK	cmyk(56.9%, 0%, 58.5%, 26.3%)
CIE-LAB	lab(68.21, -52.55, 45.73)
CIE-LCH	lch(68.21, 69.66, 138.97°)
OKLab	oklab(70.84% -0.1429 0.1079)
OKLCH	oklch(70.84% 0.179 142.9)
XYZ	xyz(22.7505, 38.2638, 13.3930)
Luminance	0.3827 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC4E #B94EBC

analogous

#88BC4E #51BC4E #4EBC82

triadic

#51BC4E #4E51BC #BC4E51

tetradic

#51BC4E #4E88BC #B94EBC #BC824E

square

#51BC4E #4E88BC #B94EBC #BC824E

split-complementary

#51BC4E #824EBC #BC4E88

monochromatic

#296827 #3B9538 #51BC4E #7DCD7A #A8DEA7

Accessibility & contrast

On white

2.43

#51BC4E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.65

#51BC4E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC4E

8.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC4E	#FFFFFF	#000000	##000000
##51BC4E	1.00	2.43	8.65	8.65
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.65	21.00	1.00	1.00
##000000	8.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AC43

Deuteranopia (green-blind)

#B2A357

Tritanopia (blue-blind)

#40B7A4

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc4e;
/* rgb */ color: rgb(81, 188, 78);
/* oklch */ color: oklch(70.8% 0.179 142.9);

Tailwind

colors: {
  custom: {
    50: '#8cd183',
    500: '#51bc4e',
    950: '#000000',
  },
}

SCSS

$custom: #51bc4e;
$custom-light: #8cd183;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc4e",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 78
  },
  "hsl": {
    "h": 118.364,
    "s": 45.082,
    "l": 52.157
  },
  "oklch": {
    "l": 0.70837,
    "c": 0.17909,
    "h": 142.9
  },
  "luminance": 0.38266
}

Semantic roles & 50–950 ramp

primary

#51BC4E

secondary

#CA9BCB

accent

#53D5D1

background

#F9FCF8

surface

#F1F9EF

border

#CBD2CA

text

#0D140B

muted

#7E827C

Preview Lab

Preview with #51BC4E

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

Preview Lab → · Contrast checker → · Palette generator →