#51D994#51D994

#51D994 is a light, vivid green. Relative luminance 0.535; OKLCH L 79.4% C 0.155 H 157.6°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#51D994
RGB	rgb(81, 217, 148)
HSL	hsl(150, 64%, 58%)
HSV	hsv(150, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 31.8%, 14.9%)
CIE-LAB	lab(78.17, -52.57, 23.35)
CIE-LCH	lch(78.17, 57.52, 156.05°)
OKLab	oklab(79.36% -0.143 0.059)
OKLCH	oklch(79.36% 0.155 157.6)
XYZ	xyz(33.5484, 53.5097, 36.5716)
Luminance	0.5351 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D994 #D95196

analogous

#52D951 #51D994 #51D9D8

triadic

#51D994 #9451D9 #D99451

tetradic

#51D994 #5152D9 #D95196 #D9D851

square

#51D994 #5152D9 #D95196 #D9D851

split-complementary

#51D994 #D851D9 #D95152

monochromatic

#1F9057 #2AC275 #51D994 #83E4B3 #B5EFD2

Accessibility & contrast

On white

1.79

#51D994 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#51D994 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D994

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D994	#FFFFFF	#000000	##000000
##51D994	1.00	1.79	11.70	11.70
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C990

Deuteranopia (green-blind)

#C5BC98

Tritanopia (blue-blind)

#00D8C7

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d994;
/* rgb */ color: rgb(81, 217, 148);
/* oklch */ color: oklch(79.4% 0.155 157.6);

Tailwind

colors: {
  custom: {
    50: '#8fe6b3',
    500: '#51d994',
    950: '#000000',
  },
}

SCSS

$custom: #51d994;
$custom-light: #8fe6b3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d994",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 148
  },
  "hsl": {
    "h": 149.559,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79362,
    "c": 0.15475,
    "h": 157.6
  },
  "luminance": 0.53513
}

Semantic roles & 50–950 ramp

primary

#51D994

secondary

#953968

accent

#4195E7

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51D994

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

Preview Lab → · Contrast checker → · Palette generator →