#51E575#51E575

#51E575 is a light, vivid green. Relative luminance 0.591; OKLCH L 81.8% C 0.198 H 148.2°. Best body text is #000000 at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#51E575
RGB	rgb(81, 229, 117)
HSL	hsl(135, 74%, 61%)
HSV	hsv(135, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 48.9%, 10.2%)
CIE-LAB	lab(81.33, -62.44, 43.09)
CIE-LCH	lch(81.33, 75.87, 145.39°)
OKLab	oklab(81.8% -0.1684 0.1046)
OKLCH	oklch(81.8% 0.198 148.2)
XYZ	xyz(34.6210, 59.0687, 26.4030)
Luminance	0.5907 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E575 #E551C1

analogous

#77E551 #51E575 #51E5BF

triadic

#51E575 #7551E5 #E57551

tetradic

#51E575 #5177E5 #E551C1 #E5BF51

square

#51E575 #5177E5 #E551C1 #E5BF51

split-complementary

#51E575 #BF51E5 #E55177

monochromatic

#18A33A #20D84D #51E575 #86ED9F #BBF5C9

Accessibility & contrast

On white

1.64

#51E575 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.81

#51E575 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E575

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E575	#FFFFFF	#000000	##000000
##51E575	1.00	1.64	12.81	12.81
#FFFFFF	1.64	1.00	21.00	21.00
#000000	12.81	21.00	1.00	1.00
##000000	12.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D26C

Deuteranopia (green-blind)

#D5C57D

Tritanopia (blue-blind)

#1CE0CB

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e575;
/* rgb */ color: rgb(81, 229, 117);
/* oklch */ color: oklch(81.8% 0.198 148.2);

Tailwind

colors: {
  custom: {
    50: '#92ee9f',
    500: '#51e575',
    950: '#000000',
  },
}

SCSS

$custom: #51e575;
$custom-light: #92ee9f;
$custom-dark: #000000;

JSON

{
  "hex": "#51e575",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 117
  },
  "hsl": {
    "h": 134.595,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81798,
    "c": 0.19826,
    "h": 148.2
  },
  "luminance": 0.59072
}

Semantic roles & 50–950 ramp

primary

#51E575

secondary

#A6358A

accent

#0FA6D6

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E575

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

Preview Lab → · Contrast checker → · Palette generator →