#51D249#51D249

#51D249 is a light, highly saturated green. Relative luminance 0.483; OKLCH L 76.4% C 0.210 H 142.3°. Best body text is #000000 at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#51D249
RGB	rgb(81, 210, 73)
HSL	hsl(116, 60%, 55%)
HSV	hsv(116, 65%, 82%)
CMYK	cmyk(61.4%, 0%, 65.2%, 17.6%)
CIE-LAB	lab(75.03, -61.09, 55.59)
CIE-LCH	lch(75.03, 82.60, 137.70°)
OKLab	oklab(76.44% -0.1663 0.1285)
OKLCH	oklch(76.44% 0.21 142.3)
XYZ	xyz(27.6410, 48.3209, 14.1723)
Luminance	0.4832 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D249 #CA49D2

analogous

#96D249 #51D249 #49D285

triadic

#51D249 #4951D2 #D24951

tetradic

#51D249 #4996D2 #CA49D2 #D28549

square

#51D249 #4996D2 #CA49D2 #D28549

split-complementary

#51D249 #8549D2 #D24996

monochromatic

#258120 #34B22C #51D249 #80DE7A #AFEAAB

Accessibility & contrast

On white

1.97

#51D249 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.66

#51D249 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D249

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D249	#FFFFFF	#000000	##000000
##51D249	1.00	1.97	10.66	10.66
#FFFFFF	1.97	1.00	21.00	21.00
#000000	10.66	21.00	1.00	1.00
##000000	10.66	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF37

Deuteranopia (green-blind)

#C7B555

Tritanopia (blue-blind)

#3ACCB6

Achromatopsia (no color)

#B9B9B9

Design tokens & code

CSS

--color: #51d249;
/* rgb */ color: rgb(81, 210, 73);
/* oklch */ color: oklch(76.4% 0.210 142.3);

Tailwind

colors: {
  custom: {
    50: '#90e182',
    500: '#51d249',
    950: '#000000',
  },
}

SCSS

$custom: #51d249;
$custom-light: #90e182;
$custom-dark: #000000;

JSON

{
  "hex": "#51d249",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 73
  },
  "hsl": {
    "h": 116.496,
    "s": 60.352,
    "l": 55.49
  },
  "oklch": {
    "l": 0.76442,
    "c": 0.21017,
    "h": 142.3
  },
  "luminance": 0.48324
}

Semantic roles & 50–950 ramp

primary

#51D249

secondary

#D59FD8

accent

#44E3DA

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0E150B

muted

#7E837C

Preview Lab

Preview with #51D249

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

Preview Lab → · Contrast checker → · Palette generator →