#51DC7B#51DC7B

#51DC7B is a light, vivid green. Relative luminance 0.544; OKLCH L 79.6% C 0.181 H 150.1°. Best body text is #000000 at 11.87:1 contrast (WCAG AA passes).

Color values

HEX	#51DC7B
RGB	rgb(81, 220, 123)
HSL	hsl(138, 67%, 59%)
HSV	hsv(138, 63%, 86%)
CMYK	cmyk(63.2%, 0%, 44.1%, 13.7%)
CIE-LAB	lab(78.67, -58.22, 36.79)
CIE-LCH	lch(78.67, 68.87, 147.71°)
OKLab	oklab(79.64% -0.1572 0.0905)
OKLCH	oklch(79.64% 0.181 150.1)
XYZ	xyz(32.5592, 54.3625, 27.5122)
Luminance	0.5437 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DC7B #DC51B2

analogous

#6DDC51 #51DC7B #51DCC0

triadic

#51DC7B #7B51DC #DC7B51

tetradic

#51DC7B #516DDC #DC51B2 #DCC051

square

#51DC7B #516DDC #DC51B2 #DCC051

split-complementary

#51DC7B #C051DC #DC516D

monochromatic

#1E9542 #28C858 #51DC7B #84E6A2 #B7F0C8

Accessibility & contrast

On white

1.77

#51DC7B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.87

#51DC7B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DC7B

11.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DC7B	#FFFFFF	#000000	##000000
##51DC7B	1.00	1.77	11.87	11.87
#FFFFFF	1.77	1.00	21.00	21.00
#000000	11.87	21.00	1.00	1.00
##000000	11.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DDCA74

Deuteranopia (green-blind)

#CCBE82

Tritanopia (blue-blind)

#1ED8C5

Achromatopsia (no color)

#C3C3C3

Design tokens & code

CSS

--color: #51dc7b;
/* rgb */ color: rgb(81, 220, 123);
/* oklch */ color: oklch(79.6% 0.181 150.1);

Tailwind

colors: {
  custom: {
    50: '#90e8a2',
    500: '#51dc7b',
    950: '#000000',
  },
}

SCSS

$custom: #51dc7b;
$custom-light: #90e8a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51dc7b",
  "rgb": {
    "r": 81,
    "g": 220,
    "b": 123
  },
  "hsl": {
    "h": 138.129,
    "s": 66.507,
    "l": 59.02
  },
  "oklch": {
    "l": 0.79635,
    "c": 0.18132,
    "h": 150.1
  },
  "luminance": 0.54366
}

Semantic roles & 50–950 ramp

primary

#51DC7B

secondary

#99387C

accent

#3EB6E9

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DC7B

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

Preview Lab → · Contrast checker → · Palette generator →