#51F16B#51F16B

#51F16B is a very light, highly saturated green. Relative luminance 0.657; OKLCH L 84.7% C 0.221 H 146.0°. Best body text is #000000 at 14.14:1 contrast (WCAG AA passes).

Color values

HEX	#51F16B
RGB	rgb(81, 241, 107)
HSL	hsl(130, 85%, 63%)
HSV	hsv(130, 66%, 95%)
CMYK	cmyk(66.4%, 0%, 55.6%, 5.5%)
CIE-LAB	lab(84.85, -67.99, 52.05)
CIE-LCH	lch(84.85, 85.62, 142.57°)
OKLab	oklab(84.67% -0.1836 0.1238)
OKLCH	oklch(84.67% 0.221 146)
XYZ	xyz(37.4999, 65.7175, 24.6155)
Luminance	0.6572 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51F16B #F151D7

analogous

#87F151 #51F16B #51F1BB

triadic

#51F16B #6B51F1 #F16B51

tetradic

#51F16B #5187F1 #F151D7 #F1BB51

square

#51F16B #5187F1 #F151D7 #F1BB51

split-complementary

#51F16B #BB51F1 #F15187

monochromatic

#0FB92A #18EC3B #51F16B #8AF69B #C2FACB

Accessibility & contrast

On white

1.48

#51F16B on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.14

#51F16B on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51F16B

14.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51F16B	#FFFFFF	#000000	##000000
##51F16B	1.00	1.48	14.14	14.14
#FFFFFF	1.48	1.00	21.00	21.00
#000000	14.14	21.00	1.00	1.00
##000000	14.14	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#F4DC5E

Deuteranopia (green-blind)

#E1CF75

Tritanopia (blue-blind)

#19EBD3

Achromatopsia (no color)

#D4D4D4

Design tokens & code

CSS

--color: #51f16b;
/* rgb */ color: rgb(81, 241, 107);
/* oklch */ color: oklch(84.7% 0.221 146.0);

Tailwind

colors: {
  custom: {
    50: '#94f799',
    500: '#51f16b',
    950: '#000000',
  },
}

SCSS

$custom: #51f16b;
$custom-light: #94f799;
$custom-dark: #000000;

JSON

{
  "hex": "#51f16b",
  "rgb": {
    "r": 81,
    "g": 241,
    "b": 107
  },
  "hsl": {
    "h": 129.75,
    "s": 85.106,
    "l": 63.137
  },
  "oklch": {
    "l": 0.84669,
    "c": 0.22145,
    "h": 146
  },
  "luminance": 0.65721
}

Semantic roles & 50–950 ramp

primary

#51F16B

secondary

#B82FA1

accent

#04BEE2

background

#FCFFFC

surface

#F5FFF5

border

#CFD7CF

text

#0F170E

muted

#80857F

Preview Lab

Preview with #51F16B

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

Preview Lab → · Contrast checker → · Palette generator →