#51E17A#51E17A

#51E17A is a light, vivid green. Relative luminance 0.570; OKLCH L 80.9% C 0.189 H 149.4°. Best body text is #000000 at 12.40:1 contrast (WCAG AA passes).

Color values

HEX	#51E17A
RGB	rgb(81, 225, 122)
HSL	hsl(137, 71%, 60%)
HSV	hsv(137, 64%, 88%)
CMYK	cmyk(64%, 0%, 45.8%, 11.8%)
CIE-LAB	lab(80.18, -60.23, 39.21)
CIE-LCH	lch(80.18, 71.87, 146.94°)
OKLab	oklab(80.87% -0.1625 0.096)
OKLCH	oklch(80.87% 0.189 149.4)
XYZ	xyz(33.8289, 57.0014, 27.6282)
Luminance	0.5700 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E17A #E151B8

analogous

#70E151 #51E17A #51E1C2

triadic

#51E17A #7A51E1 #E17A51

tetradic

#51E17A #5170E1 #E151B8 #E1C251

square

#51E17A #5170E1 #E151B8 #E1C251

split-complementary

#51E17A #C251E1 #E15170

monochromatic

#1B9D40 #24D155 #51E17A #85EAA2 #B9F3CA

Accessibility & contrast

On white

1.69

#51E17A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.40

#51E17A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E17A

12.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E17A	#FFFFFF	#000000	##000000
##51E17A	1.00	1.69	12.40	12.40
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.40	21.00	1.00	1.00
##000000	12.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3CF72

Deuteranopia (green-blind)

#D0C281

Tritanopia (blue-blind)

#1BDDC8

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e17a;
/* rgb */ color: rgb(81, 225, 122);
/* oklch */ color: oklch(80.9% 0.189 149.4);

Tailwind

colors: {
  custom: {
    50: '#91eba2',
    500: '#51e17a',
    950: '#000000',
  },
}

SCSS

$custom: #51e17a;
$custom-light: #91eba2;
$custom-dark: #000000;

JSON

{
  "hex": "#51e17a",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 122
  },
  "hsl": {
    "h": 137.083,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.80873,
    "c": 0.18873,
    "h": 149.4
  },
  "luminance": 0.57005
}

Semantic roles & 50–950 ramp

primary

#51E17A

secondary

#A03682

accent

#3ABAED

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E17A

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

Preview Lab → · Contrast checker → · Palette generator →