#51DC59#51DC59

#51DC59 is a light, highly saturated green. Relative luminance 0.537; OKLCH L 79.2% C 0.210 H 144.2°. Best body text is #000000 at 11.73:1 contrast (WCAG AA passes).

Color values

HEX	#51DC59
RGB	rgb(81, 220, 89)
HSL	hsl(123, 67%, 59%)
HSV	hsv(123, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 59.5%, 13.7%)
CIE-LAB	lab(78.26, -62.90, 52.38)
CIE-LCH	lch(78.26, 81.86, 140.22°)
OKLab	oklab(79.16% -0.1705 0.1232)
OKLCH	oklch(79.16% 0.21 144.2)
XYZ	xyz(30.7878, 53.6539, 18.1830)
Luminance	0.5366 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC59 #DC51D4

analogous

#8FDC51 #51DC59 #51DC9F

triadic

#51DC59 #5951DC #DC5951

tetradic

#51DC59 #518FDC #DC51D4 #DC9F51

square

#51DC59 #518FDC #DC51D4 #DC9F51

split-complementary

#51DC59 #9F51DC #DC518F

monochromatic

#1E9525 #28C831 #51DC59 #84E68A #B7F0BA

Accessibility & contrast

On white

1.79

#51DC59 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.73

#51DC59 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC59

11.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC59	#FFFFFF	#000000	##000000
##51DC59	1.00	1.79	11.73	11.73
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.73	21.00	1.00	1.00
##000000	11.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E0C94B

Deuteranopia (green-blind)

#CFBD64

Tritanopia (blue-blind)

#31D6C0

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51dc59;
/* rgb */ color: rgb(81, 220, 89);
/* oklch */ color: oklch(79.2% 0.210 144.2);

Tailwind

colors: {
  custom: {
    50: '#91e88c',
    500: '#51dc59',
    950: '#000000',
  },
}

SCSS

$custom: #51dc59;
$custom-light: #91e88c;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc59",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 89
  },
  "hsl": {
    "h": 123.453,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.7916,
    "c": 0.21033,
    "h": 144.2
  },
  "luminance": 0.53657
}

Semantic roles & 50–950 ramp

primary

#51DC59

secondary

#993894

accent

#3EE0E9

background

#FCFEFC

surface

#F5FDF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51DC59

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

Preview Lab → · Contrast checker → · Palette generator →