#51D570#51D570

#51D570 is a light, vivid green. Relative luminance 0.505; OKLCH L 77.7% C 0.182 H 148.2°. Best body text is #000000 at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#51D570
RGB	rgb(81, 213, 112)
HSL	hsl(134, 61%, 58%)
HSV	hsv(134, 62%, 84%)
CMYK	cmyk(62%, 0%, 47.4%, 16.5%)
CIE-LAB	lab(76.38, -57.33, 39.33)
CIE-LCH	lch(76.38, 69.52, 145.55°)
OKLab	oklab(77.7% -0.1548 0.0958)
OKLCH	oklch(77.7% 0.182 148.2)
XYZ	xyz(30.1101, 50.5047, 23.4877)
Luminance	0.5051 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D570 #D551B6

analogous

#74D551 #51D570 #51D5B2

triadic

#51D570 #7051D5 #D57051

tetradic

#51D570 #5174D5 #D551B6 #D5B251

square

#51D570 #5174D5 #D551B6 #D5B251

split-complementary

#51D570 #B251D5 #D55174

monochromatic

#218A3A #2DBC4F #51D570 #82E199 #B4EDC1

Accessibility & contrast

On white

1.89

#51D570 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.10

#51D570 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D570

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D570	#FFFFFF	#000000	##000000
##51D570	1.00	1.89	11.10	11.10
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.10	21.00	1.00	1.00
##000000	11.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7C368

Deuteranopia (green-blind)

#C6B877

Tritanopia (blue-blind)

#2AD1BD

Achromatopsia (no color)

#BCBCBC

Design tokens & code

CSS

--color: #51d570;
/* rgb */ color: rgb(81, 213, 112);
/* oklch */ color: oklch(77.7% 0.182 148.2);

Tailwind

colors: {
  custom: {
    50: '#8fe39b',
    500: '#51d570',
    950: '#000000',
  },
}

SCSS

$custom: #51d570;
$custom-light: #8fe39b;
$custom-dark: #000000;

JSON

{
  "hex": "#51d570",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 112
  },
  "hsl": {
    "h": 134.091,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77695,
    "c": 0.18208,
    "h": 148.2
  },
  "luminance": 0.50508
}

Semantic roles & 50–950 ramp

primary

#51D570

secondary

#903A7C

accent

#44BEE4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E150E

muted

#7F847F

Preview Lab

Preview with #51D570

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

Preview Lab → · Contrast checker → · Palette generator →