#51C654#51C654

#51C654 is a light, vivid green. Relative luminance 0.428; OKLCH L 73.5% C 0.187 H 143.8°. Best body text is #000000 at 9.56:1 contrast (WCAG AA passes).

Color values

HEX	#51C654
RGB	rgb(81, 198, 84)
HSL	hsl(122, 51%, 55%)
HSV	hsv(122, 59%, 78%)
CMYK	cmyk(59.1%, 0%, 57.6%, 22.4%)
CIE-LAB	lab(71.40, -55.58, 46.68)
CIE-LCH	lch(71.40, 72.58, 139.97°)
OKLab	oklab(73.48% -0.1509 0.1105)
OKLCH	oklch(73.48% 0.187 143.8)
XYZ	xyz(25.1862, 42.7753, 15.3150)
Luminance	0.4278 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C654 #C651C3

analogous

#89C651 #51C654 #51C68E

triadic

#51C654 #5451C6 #C65451

tetradic

#51C654 #5189C6 #C651C3 #C68E51

square

#51C654 #5189C6 #C651C3 #C68E51

split-complementary

#51C654 #8E51C6 #C65189

monochromatic

#277629 #36A439 #51C654 #7FD581 #ADE4AF

Accessibility & contrast

On white

2.20

#51C654 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.56

#51C654 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C654

9.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C654	#FFFFFF	#000000	##000000
##51C654	1.00	2.20	9.56	9.56
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.56	21.00	1.00	1.00
##000000	9.56	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB549

Deuteranopia (green-blind)

#BBAB5D

Tritanopia (blue-blind)

#3BC1AD

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c654;
/* rgb */ color: rgb(81, 198, 84);
/* oklch */ color: oklch(73.5% 0.187 143.8);

Tailwind

colors: {
  custom: {
    50: '#8dd887',
    500: '#51c654',
    950: '#000000',
  },
}

SCSS

$custom: #51c654;
$custom-light: #8dd887;
$custom-dark: #000000;

JSON

{
  "hex": "#51c654",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 84
  },
  "hsl": {
    "h": 121.538,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.73484,
    "c": 0.18699,
    "h": 143.8
  },
  "luminance": 0.42778
}

Semantic roles & 50–950 ramp

primary

#51C654

secondary

#D2A1D1

accent

#4ED7DA

background

#F9FDF8

surface

#F2FAF0

border

#CCD3CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51C654

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

Preview Lab → · Contrast checker → · Palette generator →