#51C653#51C653

#51C653 is a light, vivid green. Relative luminance 0.428; OKLCH L 73.5% C 0.188 H 143.6°. Best body text is #000000 at 9.55:1 contrast (WCAG AA passes).

Color values

HEX	#51C653
RGB	rgb(81, 198, 83)
HSL	hsl(121, 51%, 55%)
HSV	hsv(121, 59%, 78%)
CMYK	cmyk(59.1%, 0%, 58.1%, 22.4%)
CIE-LAB	lab(71.39, -55.70, 47.13)
CIE-LCH	lch(71.39, 72.96, 139.76°)
OKLab	oklab(73.47% -0.1512 0.1113)
OKLCH	oklch(73.47% 0.188 143.6)
XYZ	xyz(25.1473, 42.7597, 15.1102)
Luminance	0.4276 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C653 #C651C4

analogous

#89C651 #51C653 #51C68E

triadic

#51C653 #5351C6 #C65351

tetradic

#51C653 #5189C6 #C651C4 #C68E51

square

#51C653 #5189C6 #C651C4 #C68E51

split-complementary

#51C653 #8E51C6 #C65189

monochromatic

#277628 #36A438 #51C653 #7FD581 #ADE4AE

Accessibility & contrast

On white

2.20

#51C653 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.55

#51C653 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C653

9.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C653	#FFFFFF	#000000	##000000
##51C653	1.00	2.20	9.55	9.55
#FFFFFF	2.20	1.00	21.00	21.00
#000000	9.55	21.00	1.00	1.00
##000000	9.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CAB547

Deuteranopia (green-blind)

#BBAB5C

Tritanopia (blue-blind)

#3CC1AD

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c653;
/* rgb */ color: rgb(81, 198, 83);
/* oklch */ color: oklch(73.5% 0.188 143.6);

Tailwind

colors: {
  custom: {
    50: '#8dd887',
    500: '#51c653',
    950: '#000000',
  },
}

SCSS

$custom: #51c653;
$custom-light: #8dd887;
$custom-dark: #000000;

JSON

{
  "hex": "#51c653",
  "rgb": {
    "r": 81,
    "g": 198,
    "b": 83
  },
  "hsl": {
    "h": 121.026,
    "s": 50.649,
    "l": 54.706
  },
  "oklch": {
    "l": 0.73472,
    "c": 0.18781,
    "h": 143.6
  },
  "luminance": 0.42762
}

Semantic roles & 50–950 ramp

primary

#51C653

secondary

#D2A1D1

accent

#4ED8DA

background

#F9FDF8

surface

#F2FAF0

border

#CCD3CB

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51C653

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

Preview Lab → · Contrast checker → · Palette generator →