#51E474#51E474

#51E474 is a light, vivid green. Relative luminance 0.585; OKLCH L 81.5% C 0.198 H 148.0°. Best body text is #000000 at 12.70:1 contrast (WCAG AA passes).

Color values

HEX	#51E474
RGB	rgb(81, 228, 116)
HSL	hsl(134, 73%, 61%)
HSV	hsv(134, 64%, 89%)
CMYK	cmyk(64.5%, 0%, 49.1%, 10.6%)
CIE-LAB	lab(81.01, -62.23, 43.18)
CIE-LCH	lch(81.01, 75.74, 145.24°)
OKLab	oklab(81.53% -0.1679 0.1047)
OKLCH	oklch(81.53% 0.198 148)
XYZ	xyz(34.2866, 58.4935, 26.0031)
Luminance	0.5850 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E474 #E451C1

analogous

#77E451 #51E474 #51E4BE

triadic

#51E474 #7451E4 #E47451

tetradic

#51E474 #5177E4 #E451C1 #E4BE51

square

#51E474 #5177E4 #E451C1 #E4BE51

split-complementary

#51E474 #BE51E4 #E45177

monochromatic

#19A23A #21D74C #51E474 #86EC9E #BBF4C9

Accessibility & contrast

On white

1.65

#51E474 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.70

#51E474 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E474

12.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E474	#FFFFFF	#000000	##000000
##51E474	1.00	1.65	12.70	12.70
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.70	21.00	1.00	1.00
##000000	12.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D16B

Deuteranopia (green-blind)

#D4C47C

Tritanopia (blue-blind)

#1DDFCA

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e474;
/* rgb */ color: rgb(81, 228, 116);
/* oklch */ color: oklch(81.5% 0.198 148.0);

Tailwind

colors: {
  custom: {
    50: '#91ee9e',
    500: '#51e474',
    950: '#000000',
  },
}

SCSS

$custom: #51e474;
$custom-light: #91ee9e;
$custom-dark: #000000;

JSON

{
  "hex": "#51e474",
  "rgb": {
    "r": 81,
    "g": 228,
    "b": 116
  },
  "hsl": {
    "h": 134.286,
    "s": 73.134,
    "l": 60.588
  },
  "oklch": {
    "l": 0.81532,
    "c": 0.19786,
    "h": 148
  },
  "luminance": 0.58497
}

Semantic roles & 50–950 ramp

primary

#51E474

secondary

#A4358A

accent

#10A6D5

background

#FCFFFC

surface

#F5FEF5

border

#CFD6CF

text

#0E160E

muted

#7F857F

Preview Lab

Preview with #51E474

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

Preview Lab → · Contrast checker → · Palette generator →