#51E48A#51E48A

#51E48A is a light, vivid green. Relative luminance 0.591; OKLCH L 81.9% C 0.178 H 152.8°. Best body text is #000000 at 12.81:1 contrast (WCAG AA passes).

Color values

HEX	#51E48A
RGB	rgb(81, 228, 138)
HSL	hsl(143, 73%, 61%)
HSV	hsv(143, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 39.5%, 10.6%)
CIE-LAB	lab(81.33, -58.69, 32.71)
CIE-LCH	lch(81.33, 67.19, 150.87°)
OKLab	oklab(81.9% -0.1586 0.0814)
OKLCH	oklch(81.9% 0.178 152.8)
XYZ	xyz(35.7212, 59.0674, 33.5584)
Luminance	0.5907 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E48A #E451AB

analogous

#62E451 #51E48A #51E4D3

triadic

#51E48A #8A51E4 #E48A51

tetradic

#51E48A #5162E4 #E451AB #E4D351

square

#51E48A #5162E4 #E451AB #E4D351

split-complementary

#51E48A #D351E4 #E45162

monochromatic

#19A24E #21D768 #51E48A #86ECAE #BBF4D1

Accessibility & contrast

On white

1.64

#51E48A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.81

#51E48A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E48A

12.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E48A	#FFFFFF	#000000	##000000
##51E48A	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)

#E4D284

Deuteranopia (green-blind)

#D1C590

Tritanopia (blue-blind)

#00E1CE

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e48a;
/* rgb */ color: rgb(81, 228, 138);
/* oklch */ color: oklch(81.9% 0.178 152.8);

Tailwind

colors: {
  custom: {
    50: '#91edad',
    500: '#51e48a',
    950: '#000000',
  },
}

SCSS

$custom: #51e48a;
$custom-light: #91edad;
$custom-dark: #000000;

JSON

{
  "hex": "#51e48a",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 138
  },
  "hsl": {
    "h": 143.265,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81896,
    "c": 0.17823,
    "h": 152.8
  },
  "luminance": 0.59071
}

Semantic roles & 50–950 ramp

primary

#51E48A

secondary

#A43579

accent

#1089D5

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E48A

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

Preview Lab → · Contrast checker → · Palette generator →