#51DD77#51DD77

#51DD77 is a light, vivid green. Relative luminance 0.548; OKLCH L 79.8% C 0.186 H 149.1°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#51DD77
RGB	rgb(81, 221, 119)
HSL	hsl(136, 67%, 59%)
HSV	hsv(136, 63%, 87%)
CMYK	cmyk(63.3%, 0%, 46.2%, 13.3%)
CIE-LAB	lab(78.92, -59.23, 39.09)
CIE-LCH	lch(78.92, 70.96, 146.58°)
OKLab	oklab(79.82% -0.1598 0.0956)
OKLCH	oklch(79.82% 0.186 149.1)
XYZ	xyz(32.5771, 54.7908, 26.3081)
Luminance	0.5479 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DD77 #DD51B7

analogous

#71DD51 #51DD77 #51DDBD

triadic

#51DD77 #7751DD #DD7751

tetradic

#51DD77 #5171DD #DD51B7 #DDBD51

square

#51DD77 #5171DD #DD51B7 #DDBD51

split-complementary

#51DD77 #BD51DD #DD5171

monochromatic

#1D963E #27C953 #51DD77 #84E79F #B7F1C7

Accessibility & contrast

On white

1.76

#51DD77 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#51DD77 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DD77

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DD77	#FFFFFF	#000000	##000000
##51DD77	1.00	1.76	11.96	11.96
#FFFFFF	1.76	1.00	21.00	21.00
#000000	11.96	21.00	1.00	1.00
##000000	11.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFCB6F

Deuteranopia (green-blind)

#CDBF7E

Tritanopia (blue-blind)

#21D9C5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dd77;
/* rgb */ color: rgb(81, 221, 119);
/* oklch */ color: oklch(79.8% 0.186 149.1);

Tailwind

colors: {
  custom: {
    50: '#90e9a0',
    500: '#51dd77',
    950: '#000000',
  },
}

SCSS

$custom: #51dd77;
$custom-light: #90e9a0;
$custom-dark: #000000;

JSON

{
  "hex": "#51dd77",
  "rgb": {
    "r": 81,
    "g": 221,
    "b": 119
  },
  "hsl": {
    "h": 136.286,
    "s": 67.308,
    "l": 59.216
  },
  "oklch": {
    "l": 0.79821,
    "c": 0.18623,
    "h": 149.1
  },
  "luminance": 0.54794
}

Semantic roles & 50–950 ramp

primary

#51DD77

secondary

#9B3880

accent

#3EBBEA

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DD77

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

Preview Lab → · Contrast checker → · Palette generator →