#51D569#51D569

#51D569 is a light, vivid green. Relative luminance 0.504; OKLCH L 77.6% C 0.188 H 146.9°. Best body text is #000000 at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#51D569
RGB	rgb(81, 213, 105)
HSL	hsl(131, 61%, 58%)
HSV	hsv(131, 62%, 84%)
CMYK	cmyk(62%, 0%, 50.7%, 16.5%)
CIE-LAB	lab(76.29, -58.36, 42.63)
CIE-LCH	lch(76.29, 72.27, 143.86°)
OKLab	oklab(77.59% -0.1577 0.1029)
OKLCH	oklch(77.59% 0.188 146.9)
XYZ	xyz(29.7354, 50.3548, 21.5143)
Luminance	0.5036 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D569 #D551BD

analogous

#7BD551 #51D569 #51D5AB

triadic

#51D569 #6951D5 #D56951

tetradic

#51D569 #517BD5 #D551BD #D5AB51

square

#51D569 #517BD5 #D551BD #D5AB51

split-complementary

#51D569 #AB51D5 #D5517B

monochromatic

#218A34 #2DBC47 #51D569 #82E193 #B4EDBE

Accessibility & contrast

On white

1.90

#51D569 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.07

#51D569 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D569

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D569	#FFFFFF	#000000	##000000
##51D569	1.00	1.90	11.07	11.07
#FFFFFF	1.90	1.00	21.00	21.00
#000000	11.07	21.00	1.00	1.00
##000000	11.07	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C360

Deuteranopia (green-blind)

#C7B871

Tritanopia (blue-blind)

#2ED0BC

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d569;
/* rgb */ color: rgb(81, 213, 105);
/* oklch */ color: oklch(77.6% 0.188 146.9);

Tailwind

colors: {
  custom: {
    50: '#8fe396',
    500: '#51d569',
    950: '#000000',
  },
}

SCSS

$custom: #51d569;
$custom-light: #8fe396;
$custom-dark: #000000;

JSON

{
  "hex": "#51d569",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 105
  },
  "hsl": {
    "h": 130.909,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.7759,
    "c": 0.1883,
    "h": 146.9
  },
  "luminance": 0.50358
}

Semantic roles & 50–950 ramp

primary

#51D569

secondary

#903A81

accent

#44C7E4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160D

muted

#7F847F

Preview Lab

Preview with #51D569

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

Preview Lab → · Contrast checker → · Palette generator →