#51D77C#51D77C

#51D77C is a light, vivid green. Relative luminance 0.518; OKLCH L 78.4% C 0.174 H 150.8°. Best body text is #000000 at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#51D77C
RGB	rgb(81, 215, 124)
HSL	hsl(139, 63%, 58%)
HSV	hsv(139, 62%, 84%)
CMYK	cmyk(62.3%, 0%, 42.3%, 15.7%)
CIE-LAB	lab(77.16, -56.17, 34.34)
CIE-LCH	lch(77.16, 65.84, 148.56°)
OKLab	oklab(78.4% -0.1517 0.0848)
OKLCH	oklch(78.4% 0.174 150.8)
XYZ	xyz(31.3294, 51.8023, 27.4127)
Luminance	0.5181 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D77C #D751AC

analogous

#69D751 #51D77C #51D7BF

triadic

#51D77C #7C51D7 #D77C51

tetradic

#51D77C #5169D7 #D751AC #D7BF51

square

#51D77C #5169D7 #D751AC #D7BF51

split-complementary

#51D77C #BF51D7 #D75169

monochromatic

#208D43 #2CBF5B #51D77C #83E2A1 #B5EEC7

Accessibility & contrast

On white

1.85

#51D77C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.36

#51D77C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D77C

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D77C	#FFFFFF	#000000	##000000
##51D77C	1.00	1.85	11.36	11.36
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.36	21.00	1.00	1.00
##000000	11.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C675

Deuteranopia (green-blind)

#C7BA82

Tritanopia (blue-blind)

#21D4C1

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d77c;
/* rgb */ color: rgb(81, 215, 124);
/* oklch */ color: oklch(78.4% 0.174 150.8);

Tailwind

colors: {
  custom: {
    50: '#8fe4a3',
    500: '#51d77c',
    950: '#000000',
  },
}

SCSS

$custom: #51d77c;
$custom-light: #8fe4a3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d77c",
  "rgb": {
    "r": 81,
    "g": 215,
    "b": 124
  },
  "hsl": {
    "h": 139.254,
    "s": 62.617,
    "l": 58.039
  },
  "oklch": {
    "l": 0.78397,
    "c": 0.17382,
    "h": 150.8
  },
  "luminance": 0.51805
}

Semantic roles & 50–950 ramp

primary

#51D77C

secondary

#933976

accent

#42B1E6

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51D77C

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

Preview Lab → · Contrast checker → · Palette generator →