#51C780#51C780

#51C780 is a light, vivid green. Relative luminance 0.442; OKLCH L 74.4% C 0.148 H 154.0°. Best body text is #000000 at 9.83:1 contrast (WCAG AA passes).

Color values

HEX	#51C780
RGB	rgb(81, 199, 128)
HSL	hsl(144, 51%, 55%)
HSV	hsv(144, 59%, 78%)
CMYK	cmyk(59.3%, 0%, 35.7%, 22%)
CIE-LAB	lab(72.33, -49.19, 25.90)
CIE-LCH	lch(72.33, 55.59, 152.23°)
OKLab	oklab(74.45% -0.1334 0.065)
OKLCH	oklch(74.45% 0.148 154)
XYZ	xyz(27.7108, 44.1520, 27.4797)
Luminance	0.4415 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C780 #C75198

analogous

#5DC751 #51C780 #51C7BB

triadic

#51C780 #8051C7 #C78051

tetradic

#51C780 #515DC7 #C75198 #C7BB51

square

#51C780 #515DC7 #C75198 #C7BB51

split-complementary

#51C780 #BB51C7 #C7515D

monochromatic

#267747 #35A662 #51C780 #7FD6A2 #AEE5C4

Accessibility & contrast

On white

2.14

#51C780 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.83

#51C780 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C780

9.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C780	#FFFFFF	#000000	##000000
##51C780	1.00	2.14	9.83	9.83
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.83	21.00	1.00	1.00
##000000	9.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B87B

Deuteranopia (green-blind)

#B7AD85

Tritanopia (blue-blind)

#28C5B5

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51c780;
/* rgb */ color: rgb(81, 199, 128);
/* oklch */ color: oklch(74.4% 0.148 154.0);

Tailwind

colors: {
  custom: {
    50: '#8cd9a5',
    500: '#51c780',
    950: '#000000',
  },
}

SCSS

$custom: #51c780;
$custom-light: #8cd9a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51c780",
  "rgb": {
    "r": 81,
    "g": 199,
    "b": 128
  },
  "hsl": {
    "h": 143.898,
    "s": 51.304,
    "l": 54.902
  },
  "oklch": {
    "l": 0.74449,
    "c": 0.14841,
    "h": 154
  },
  "luminance": 0.44155
}

Semantic roles & 50–950 ramp

primary

#51C780

secondary

#D3A1BF

accent

#4DA2DB

background

#F9FDFA

surface

#F1FAF4

border

#CBD3CE

text

#0D150F

muted

#7E837F

Preview Lab

Preview with #51C780

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

Preview Lab → · Contrast checker → · Palette generator →