#51DC8B#51DC8B

#51DC8B is a light, vivid green. Relative luminance 0.548; OKLCH L 79.9% C 0.167 H 154.2°. Best body text is #000000 at 11.96:1 contrast (WCAG AA passes).

Color values

HEX	#51DC8B
RGB	rgb(81, 220, 139)
HSL	hsl(145, 67%, 59%)
HSV	hsv(145, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 36.8%, 13.7%)
CIE-LAB	lab(78.92, -55.46, 29.01)
CIE-LCH	lch(78.92, 62.59, 152.38°)
OKLab	oklab(79.92% -0.1501 0.0726)
OKLCH	oklch(79.92% 0.167 154.2)
XYZ	xyz(33.6439, 54.7963, 33.2248)
Luminance	0.5480 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC8B #DC51A2

analogous

#5DDC51 #51DC8B #51DCD1

triadic

#51DC8B #8B51DC #DC8B51

tetradic

#51DC8B #515DDC #DC51A2 #DCD151

square

#51DC8B #515DDC #DC51A2 #DCD151

split-complementary

#51DC8B #D151DC #DC515D

monochromatic

#1E954F #28C86B #51DC8B #84E6AD #B7F0CF

Accessibility & contrast

On white

1.76

#51DC8B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.96

#51DC8B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC8B

11.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC8B	#FFFFFF	#000000	##000000
##51DC8B	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)

#DCCB86

Deuteranopia (green-blind)

#C9BE90

Tritanopia (blue-blind)

#07DAC7

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dc8b;
/* rgb */ color: rgb(81, 220, 139);
/* oklch */ color: oklch(79.9% 0.167 154.2);

Tailwind

colors: {
  custom: {
    50: '#90e8ad',
    500: '#51dc8b',
    950: '#000000',
  },
}

SCSS

$custom: #51dc8b;
$custom-light: #90e8ad;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc8b",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 139
  },
  "hsl": {
    "h": 145.036,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79924,
    "c": 0.16678,
    "h": 154.2
  },
  "luminance": 0.548
}

Semantic roles & 50–950 ramp

primary

#51DC8B

secondary

#993871

accent

#3EA2E9

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DC8B

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

Preview Lab → · Contrast checker → · Palette generator →