#51DB6F#51DB6F

#51DB6F is a light, vivid green. Relative luminance 0.536; OKLCH L 79.2% C 0.191 H 147.7°. Best body text is #000000 at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#51DB6F
RGB	rgb(81, 219, 111)
HSL	hsl(133, 66%, 59%)
HSV	hsv(133, 63%, 86%)
CMYK	cmyk(63%, 0%, 49.3%, 14.1%)
CIE-LAB	lab(78.20, -59.70, 42.10)
CIE-LCH	lch(78.20, 73.05, 144.81°)
OKLab	oklab(79.19% -0.1612 0.102)
OKLCH	oklch(79.19% 0.191 147.7)
XYZ	xyz(31.5919, 53.5569, 23.7085)
Luminance	0.5356 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB6F #DB51BD

analogous

#78DB51 #51DB6F #51DBB4

triadic

#51DB6F #6F51DB #DB6F51

tetradic

#51DB6F #5178DB #DB51BD #DBB451

square

#51DB6F #5178DB #DB51BD #DBB451

split-complementary

#51DB6F #B451DB #DB5178

monochromatic

#1E9338 #29C64B #51DB6F #84E599 #B6F0C3

Accessibility & contrast

On white

1.79

#51DB6F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.71

#51DB6F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB6F

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB6F	#FFFFFF	#000000	##000000
##51DB6F	1.00	1.79	11.71	11.71
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.71	21.00	1.00	1.00
##000000	11.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDC966

Deuteranopia (green-blind)

#CCBD77

Tritanopia (blue-blind)

#27D7C2

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51db6f;
/* rgb */ color: rgb(81, 219, 111);
/* oklch */ color: oklch(79.2% 0.191 147.7);

Tailwind

colors: {
  custom: {
    50: '#90e79a',
    500: '#51db6f',
    950: '#000000',
  },
}

SCSS

$custom: #51db6f;
$custom-light: #90e79a;
$custom-dark: #000000;

JSON

{
  "hex": "#51db6f",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 111
  },
  "hsl": {
    "h": 133.043,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79194,
    "c": 0.19076,
    "h": 147.7
  },
  "luminance": 0.5356
}

Semantic roles & 50–950 ramp

primary

#51DB6F

secondary

#983883

accent

#3FC4E9

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160E

muted

#7F847F

Preview Lab

Preview with #51DB6F

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

Preview Lab → · Contrast checker → · Palette generator →