#51DB7A#51DB7A

#51DB7A is a light, vivid green. Relative luminance 0.538; OKLCH L 79.4% C 0.181 H 149.9°. Best body text is #000000 at 11.76:1 contrast (WCAG AA passes).

Color values

HEX	#51DB7A
RGB	rgb(81, 219, 122)
HSL	hsl(138, 66%, 59%)
HSV	hsv(138, 63%, 86%)
CMYK	cmyk(63%, 0%, 44.3%, 14.1%)
CIE-LAB	lab(78.35, -58.01, 36.88)
CIE-LCH	lch(78.35, 68.74, 147.56°)
OKLab	oklab(79.37% -0.1566 0.0906)
OKLCH	oklch(79.37% 0.181 149.9)
XYZ	xyz(32.2353, 53.8142, 27.0970)
Luminance	0.5382 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB7A #DB51B2

analogous

#6DDB51 #51DB7A #51DBBF

triadic

#51DB7A #7A51DB #DB7A51

tetradic

#51DB7A #516DDB #DB51B2 #DBBF51

square

#51DB7A #516DDB #DB51B2 #DBBF51

split-complementary

#51DB7A #BF51DB #DB516D

monochromatic

#1E9341 #29C658 #51DB7A #84E5A1 #B6F0C8

Accessibility & contrast

On white

1.79

#51DB7A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.76

#51DB7A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB7A

11.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB7A	#FFFFFF	#000000	##000000
##51DB7A	1.00	1.79	11.76	11.76
#FFFFFF	1.79	1.00	21.00	21.00
#000000	11.76	21.00	1.00	1.00
##000000	11.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DCC973

Deuteranopia (green-blind)

#CBBD81

Tritanopia (blue-blind)

#20D7C4

Achromatopsia (no color)

#C2C2C2

Design tokens & code

CSS

--color: #51db7a;
/* rgb */ color: rgb(81, 219, 122);
/* oklch */ color: oklch(79.4% 0.181 149.9);

Tailwind

colors: {
  custom: {
    50: '#90e7a2',
    500: '#51db7a',
    950: '#000000',
  },
}

SCSS

$custom: #51db7a;
$custom-light: #90e7a2;
$custom-dark: #000000;

JSON

{
  "hex": "#51db7a",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 122
  },
  "hsl": {
    "h": 137.826,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79368,
    "c": 0.18091,
    "h": 149.9
  },
  "luminance": 0.53818
}

Semantic roles & 50–950 ramp

primary

#51DB7A

secondary

#98387C

accent

#3FB6E9

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160F

muted

#7F8480

Preview Lab

Preview with #51DB7A

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

Preview Lab → · Contrast checker → · Palette generator →