#51DB6B#51DB6B

#51DB6B is a light, vivid green. Relative luminance 0.535; OKLCH L 79.1% C 0.194 H 146.9°. Best body text is #000000 at 11.69:1 contrast (WCAG AA passes).

Color values

HEX	#51DB6B
RGB	rgb(81, 219, 107)
HSL	hsl(131, 66%, 59%)
HSV	hsv(131, 63%, 86%)
CMYK	cmyk(63%, 0%, 51.1%, 14.1%)
CIE-LAB	lab(78.15, -60.27, 43.96)
CIE-LCH	lch(78.15, 74.60, 143.89°)
OKLab	oklab(79.14% -0.1628 0.106)
OKLCH	oklch(79.14% 0.194 146.9)
XYZ	xyz(31.3766, 53.4707, 22.5744)
Luminance	0.5347 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DB6B #DB51C1

analogous

#7CDB51 #51DB6B #51DBB0

triadic

#51DB6B #6B51DB #DB6B51

tetradic

#51DB6B #517CDB #DB51C1 #DBB051

square

#51DB6B #517CDB #DB51C1 #DBB051

split-complementary

#51DB6B #B051DB #DB517C

monochromatic

#1E9334 #29C647 #51DB6B #84E596 #B6F0C1

Accessibility & contrast

On white

1.80

#51DB6B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.69

#51DB6B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DB6B

11.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DB6B	#FFFFFF	#000000	##000000
##51DB6B	1.00	1.80	11.69	11.69
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.69	21.00	1.00	1.00
##000000	11.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DEC961

Deuteranopia (green-blind)

#CCBD73

Tritanopia (blue-blind)

#29D6C1

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51db6b;
/* rgb */ color: rgb(81, 219, 107);
/* oklch */ color: oklch(79.1% 0.194 146.9);

Tailwind

colors: {
  custom: {
    50: '#90e797',
    500: '#51db6b',
    950: '#000000',
  },
}

SCSS

$custom: #51db6b;
$custom-light: #90e797;
$custom-dark: #000000;

JSON

{
  "hex": "#51db6b",
  "rgb": {
    "r": 81,
    "g": 219,
    "b": 107
  },
  "hsl": {
    "h": 131.304,
    "s": 65.714,
    "l": 58.824
  },
  "oklch": {
    "l": 0.79136,
    "c": 0.19425,
    "h": 146.9
  },
  "luminance": 0.53474
}

Semantic roles & 50–950 ramp

primary

#51DB6B

secondary

#983886

accent

#3FC9E9

background

#FCFEFC

surface

#F5FDF5

border

#CFD5CF

text

#0E160E

muted

#7F847F

Preview Lab

Preview with #51DB6B

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

Preview Lab → · Contrast checker → · Palette generator →