#51DB7F#51DB7F

#51DB7F is a light, vivid green. Relative luminance 0.539; OKLCH L 79.5% C 0.176 H 151.1°. Best body text is #000000 at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#51DB7F
RGB	rgb(81, 219, 127)
HSL	hsl(140, 66%, 59%)
HSV	hsv(140, 63%, 86%)
CMYK	cmyk(63%, 0%, 42%, 14.1%)
CIE-LAB	lab(78.43, -57.19, 34.47)
CIE-LCH	lch(78.43, 66.77, 148.92°)
OKLab	oklab(79.45% -0.1544 0.0852)
OKLCH	oklch(79.45% 0.176 151.1)
XYZ	xyz(32.5531, 53.9414, 28.7707)
Luminance	0.5394 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB7F #DB51AD

analogous

#68DB51 #51DB7F #51DBC4

triadic

#51DB7F #7F51DB #DB7F51

tetradic

#51DB7F #5168DB #DB51AD #DBC451

square

#51DB7F #5168DB #DB51AD #DBC451

split-complementary

#51DB7F #C451DB #DB5168

monochromatic

#1E9345 #29C65D #51DB7F #84E5A4 #B6F0CA

Accessibility & contrast

On white

1.78

#51DB7F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.79

#51DB7F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB7F

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB7F	#FFFFFF	#000000	##000000
##51DB7F	1.00	1.78	11.79	11.79
#FFFFFF	1.78	1.00	21.00	21.00
#000000	11.79	21.00	1.00	1.00
##000000	11.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCCA78

Deuteranopia (green-blind)

#CABD85

Tritanopia (blue-blind)

#1BD8C4

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51db7f;
/* rgb */ color: rgb(81, 219, 127);
/* oklch */ color: oklch(79.5% 0.176 151.1);

Tailwind

colors: {
  custom: {
    50: '#90e7a5',
    500: '#51db7f',
    950: '#000000',
  },
}

SCSS

$custom: #51db7f;
$custom-light: #90e7a5;
$custom-dark: #000000;

JSON

{
  "hex": "#51db7f",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 127
  },
  "hsl": {
    "h": 140,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79453,
    "c": 0.17637,
    "h": 151.1
  },
  "luminance": 0.53945
}

Semantic roles & 50–950 ramp

primary

#51DB7F

secondary

#983878

accent

#3FB0E9

background

#FCFEFC

surface

#F5FDF6

border

#CFD5D0

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DB7F

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

Preview Lab → · Contrast checker → · Palette generator →