#51E38F#51E38F

#51E38F is a light, vivid green. Relative luminance 0.587; OKLCH L 81.7% C 0.172 H 154.3°. Best body text is #000000 at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#51E38F
RGB	rgb(81, 227, 143)
HSL	hsl(145, 72%, 60%)
HSV	hsv(145, 64%, 89%)
CMYK	cmyk(64.3%, 0%, 37%, 11%)
CIE-LAB	lab(81.11, -57.42, 29.88)
CIE-LCH	lch(81.11, 64.73, 152.51°)
OKLab	oklab(81.74% -0.1554 0.0748)
OKLCH	oklch(81.74% 0.172 154.3)
XYZ	xyz(35.8173, 58.6669, 35.4175)
Luminance	0.5867 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E38F #E351A5

analogous

#5CE351 #51E38F #51E3D8

triadic

#51E38F #8F51E3 #E38F51

tetradic

#51E38F #515CE3 #E351A5 #E3D851

square

#51E38F #515CE3 #E351A5 #E3D851

split-complementary

#51E38F #D851E3 #E3515C

monochromatic

#1AA053 #22D56E #51E38F #86EBB1 #BAF4D3

Accessibility & contrast

On white

1.65

#51E38F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.73

#51E38F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E38F

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E38F	#FFFFFF	#000000	##000000
##51E38F	1.00	1.65	12.73	12.73
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.73	21.00	1.00	1.00
##000000	12.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E3D189

Deuteranopia (green-blind)

#D0C494

Tritanopia (blue-blind)

#00E0CE

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e38f;
/* rgb */ color: rgb(81, 227, 143);
/* oklch */ color: oklch(81.7% 0.172 154.3);

Tailwind

colors: {
  custom: {
    50: '#91edb0',
    500: '#51e38f',
    950: '#000000',
  },
}

SCSS

$custom: #51e38f;
$custom-light: #91edb0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e38f",
  "rgb": {
    "r": 81,
    "g": 227,
    "b": 143
  },
  "hsl": {
    "h": 145.479,
    "s": 72.277,
    "l": 60.392
  },
  "oklch": {
    "l": 0.81742,
    "c": 0.17243,
    "h": 154.3
  },
  "luminance": 0.58671
}

Semantic roles & 50–950 ramp

primary

#51E38F

secondary

#A33574

accent

#1181D4

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E38F

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

Preview Lab → · Contrast checker → · Palette generator →