#51D345#51D345

#51D345 is a light, highly saturated green. Relative luminance 0.488; OKLCH L 76.7% C 0.214 H 141.9°. Best body text is #000000 at 10.75:1 contrast (WCAG AA passes).

Color values

HEX	#51D345
RGB	rgb(81, 211, 69)
HSL	hsl(115, 62%, 55%)
HSV	hsv(115, 67%, 83%)
CMYK	cmyk(61.6%, 0%, 67.3%, 17.3%)
CIE-LAB	lab(75.30, -61.81, 57.50)
CIE-LCH	lch(75.30, 84.42, 137.07°)
OKLab	oklab(76.66% -0.1685 0.1321)
OKLCH	oklch(76.66% 0.214 141.9)
XYZ	xyz(27.7603, 48.7649, 13.5787)
Luminance	0.4877 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D345 #C745D3

analogous

#98D345 #51D345 #45D380

triadic

#51D345 #4551D3 #D34551

tetradic

#51D345 #4598D3 #C745D3 #D38045

square

#51D345 #4598D3 #C745D3 #D38045

split-complementary

#51D345 #8045D3 #D34598

monochromatic

#267F1E #35B12A #51D345 #7FDF76 #AEEAA8

Accessibility & contrast

On white

1.95

#51D345 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.75

#51D345 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D345

10.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D345	#FFFFFF	#000000	##000000
##51D345	1.00	1.95	10.75	10.75
#FFFFFF	1.95	1.00	21.00	21.00
#000000	10.75	21.00	1.00	1.00
##000000	10.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C031

Deuteranopia (green-blind)

#C8B552

Tritanopia (blue-blind)

#3ACDB6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d345;
/* rgb */ color: rgb(81, 211, 69);
/* oklch */ color: oklch(76.7% 0.214 141.9);

Tailwind

colors: {
  custom: {
    50: '#90e27f',
    500: '#51d345',
    950: '#000000',
  },
}

SCSS

$custom: #51d345;
$custom-light: #90e27f;
$custom-dark: #000000;

JSON

{
  "hex": "#51d345",
  "rgb": {
    "r": 81,
    "g": 211,
    "b": 69
  },
  "hsl": {
    "h": 114.93,
    "s": 61.739,
    "l": 54.902
  },
  "oklch": {
    "l": 0.76662,
    "c": 0.21409,
    "h": 141.9
  },
  "luminance": 0.48768
}

Semantic roles & 50–950 ramp

primary

#51D345

secondary

#D39CD8

accent

#43E5D7

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51D345

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

Preview Lab → · Contrast checker → · Palette generator →