#51C680#51C680

#51C680 is a light, vivid green. Relative luminance 0.437; OKLCH L 74.2% C 0.147 H 154.2°. Best body text is #000000 at 9.74:1 contrast (WCAG AA passes).

Color values

HEX	#51C680
RGB	rgb(81, 198, 128)
HSL	hsl(144, 51%, 55%)
HSV	hsv(144, 59%, 78%)
CMYK	cmyk(59.1%, 0%, 35.4%, 22.4%)
CIE-LAB	lab(72.02, -48.78, 25.49)
CIE-LCH	lch(72.02, 55.04, 152.41°)
OKLab	oklab(74.2% -0.1324 0.064)
OKLCH	oklch(74.2% 0.147 154.2)
XYZ	xyz(27.4815, 43.6934, 27.4033)
Luminance	0.4370 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C680 #C65197

analogous

#5CC651 #51C680 #51C6BB

triadic

#51C680 #8051C6 #C68051

tetradic

#51C680 #515CC6 #C65197 #C6BB51

square

#51C680 #515CC6 #C65197 #C6BB51

split-complementary

#51C680 #BB51C6 #C6515C

monochromatic

#277647 #36A462 #51C680 #7FD5A2 #ADE4C3

Accessibility & contrast

On white

2.16

#51C680 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.74

#51C680 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C680

9.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C680	#FFFFFF	#000000	##000000
##51C680	1.00	2.16	9.74	9.74
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.74	21.00	1.00	1.00
##000000	9.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B77B

Deuteranopia (green-blind)

#B6AC84

Tritanopia (blue-blind)

#28C4B4

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51c680;
/* rgb */ color: rgb(81, 198, 128);
/* oklch */ color: oklch(74.2% 0.147 154.2);

Tailwind

colors: {
  custom: {
    50: '#8cd8a5',
    500: '#51c680',
    950: '#000000',
  },
}

SCSS

$custom: #51c680;
$custom-light: #8cd8a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51c680",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 128
  },
  "hsl": {
    "h": 144.103,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.74197,
    "c": 0.14703,
    "h": 154.2
  },
  "luminance": 0.43696
}

Semantic roles & 50–950 ramp

primary

#51C680

secondary

#D2A1BE

accent

#4EA2DA

background

#F9FDFA

surface

#F1FAF4

border

#CBD3CE

text

#0D140F

muted

#7E837F

Preview Lab

Preview with #51C680

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

Preview Lab → · Contrast checker → · Palette generator →