#51D54B#51D54B

#51D54B is a light, highly saturated green. Relative luminance 0.498; OKLCH L 77.2% C 0.212 H 142.5°. Best body text is #000000 at 10.97:1 contrast (WCAG AA passes).

Color values

HEX	#51D54B
RGB	rgb(81, 213, 75)
HSL	hsl(117, 62%, 56%)
HSV	hsv(117, 65%, 84%)
CMYK	cmyk(62%, 0%, 64.8%, 16.5%)
CIE-LAB	lab(75.97, -61.95, 55.80)
CIE-LCH	lch(75.97, 83.37, 137.99°)
OKLab	oklab(77.23% -0.1685 0.1291)
OKLCH	oklch(77.23% 0.212 142.5)
XYZ	xyz(28.4560, 49.8431, 14.7763)
Luminance	0.4985 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D54B #CF4BD5

analogous

#96D54B #51D54B #4BD58A

triadic

#51D54B #4B51D5 #D54B51

tetradic

#51D54B #4B96D5 #CF4BD5 #D58A4B

square

#51D54B #4B96D5 #CF4BD5 #D58A4B

split-complementary

#51D54B #8A4BD5 #D54B96

monochromatic

#24861F #31B82B #51D54B #81E17D #B1ECAE

Accessibility & contrast

On white

1.91

#51D54B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.97

#51D54B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D54B

10.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D54B	#FFFFFF	#000000	##000000
##51D54B	1.00	1.91	10.97	10.97
#FFFFFF	1.91	1.00	21.00	21.00
#000000	10.97	21.00	1.00	1.00
##000000	10.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DAC23A

Deuteranopia (green-blind)

#C9B757

Tritanopia (blue-blind)

#38CFB8

Achromatopsia (no color)

#BBBBBB

Design tokens & code

CSS

--color: #51d54b;
/* rgb */ color: rgb(81, 213, 75);
/* oklch */ color: oklch(77.2% 0.212 142.5);

Tailwind

colors: {
  custom: {
    50: '#90e383',
    500: '#51d54b',
    950: '#000000',
  },
}

SCSS

$custom: #51d54b;
$custom-light: #90e383;
$custom-dark: #000000;

JSON

{
  "hex": "#51d54b",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 75
  },
  "hsl": {
    "h": 117.391,
    "s": 62.162,
    "l": 56.471
  },
  "oklch": {
    "l": 0.77229,
    "c": 0.21232,
    "h": 142.5
  },
  "luminance": 0.49846
}

Semantic roles & 50–950 ramp

primary

#51D54B

secondary

#D8A2DA

accent

#43E5DE

background

#F9FEF8

surface

#F2FCEF

border

#CCD5CA

text

#0E160B

muted

#7E847C

Preview Lab

Preview with #51D54B

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

Preview Lab → · Contrast checker → · Palette generator →