#51D854#51D854

#51D854 is a light, highly saturated green. Relative luminance 0.515; OKLCH L 78.1% C 0.209 H 143.6°. Best body text is #000000 at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#51D854
RGB	rgb(81, 216, 84)
HSL	hsl(121, 63%, 58%)
HSV	hsv(121, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 61.1%, 15.3%)
CIE-LAB	lab(76.98, -62.06, 53.11)
CIE-LCH	lch(76.98, 81.68, 139.45°)
OKLab	oklab(78.09% -0.1684 0.1243)
OKLCH	oklch(78.09% 0.209 143.6)
XYZ	xyz(29.5477, 51.4983, 16.7688)
Luminance	0.5150 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D854 #D851D5

analogous

#91D851 #51D854 #51D897

triadic

#51D854 #5451D8 #D85451

tetradic

#51D854 #5191D8 #D851D5 #D89751

square

#51D854 #5191D8 #D851D5 #D89751

split-complementary

#51D854 #9751D8 #D85191

monochromatic

#208F22 #2BC12E #51D854 #83E385 #B5EEB6

Accessibility & contrast

On white

1.86

#51D854 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.30

#51D854 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D854

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D854	#FFFFFF	#000000	##000000
##51D854	1.00	1.86	11.30	11.30
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.30	21.00	1.00	1.00
##000000	11.30	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC545

Deuteranopia (green-blind)

#CCBA5F

Tritanopia (blue-blind)

#34D2BC

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d854;
/* rgb */ color: rgb(81, 216, 84);
/* oklch */ color: oklch(78.1% 0.209 143.6);

Tailwind

colors: {
  custom: {
    50: '#90e589',
    500: '#51d854',
    950: '#000000',
  },
}

SCSS

$custom: #51d854;
$custom-light: #90e589;
$custom-dark: #000000;

JSON

{
  "hex": "#51d854",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 84
  },
  "hsl": {
    "h": 121.333,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78087,
    "c": 0.20932,
    "h": 143.6
  },
  "luminance": 0.51501
}

Semantic roles & 50–950 ramp

primary

#51D854

secondary

#943992

accent

#41E3E6

background

#FCFEFC

surface

#F5FCF4

border

#CFD5CE

text

#0E160C

muted

#7F847F

Preview Lab

Preview with #51D854

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

Preview Lab → · Contrast checker → · Palette generator →