#51AE40#51AE40

#51AE40 is a light, vivid green. Relative luminance 0.324; OKLCH L 67.0% C 0.172 H 140.7°. Best body text is #000000 at 7.48:1 contrast (WCAG AA passes).

Color values

HEX	#51AE40
RGB	rgb(81, 174, 64)
HSL	hsl(111, 46%, 47%)
HSV	hsv(111, 63%, 68%)
CMYK	cmyk(53.4%, 0%, 63.2%, 31.8%)
CIE-LAB	lab(63.66, -48.72, 46.89)
CIE-LCH	lch(63.66, 67.61, 136.10°)
OKLab	oklab(67.05% -0.1333 0.1091)
OKLCH	oklch(67.05% 0.172 140.7)
XYZ	xyz(19.4539, 32.3900, 10.0763)
Luminance	0.3239 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AE40 #9D40AE

analogous

#88AE40 #51AE40 #40AE66

triadic

#51AE40 #4051AE #AE4051

tetradic

#51AE40 #4088AE #9D40AE #AE6640

square

#51AE40 #4088AE #9D40AE #AE6640

split-complementary

#51AE40 #6640AE #AE4088

monochromatic

#27551F #3C8130 #51AE40 #74C665 #9CD792

Accessibility & contrast

On white

2.81

#51AE40 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.48

#51AE40 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AE40

7.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AE40	#FFFFFF	#000000	##000000
##51AE40	1.00	2.81	7.48	7.48
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.48	21.00	1.00	1.00
##000000	7.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29F33

Deuteranopia (green-blind)

#A69749

Tritanopia (blue-blind)

#46A997

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #51ae40;
/* rgb */ color: rgb(81, 174, 64);
/* oklch */ color: oklch(67.0% 0.172 140.7);

Tailwind

colors: {
  custom: {
    50: '#8ac779',
    500: '#51ae40',
    950: '#000000',
  },
}

SCSS

$custom: #51ae40;
$custom-light: #8ac779;
$custom-dark: #000000;

JSON

{
  "hex": "#51ae40",
  "rgb": {
    "r": 81,
    "g": 174,
    "b": 64
  },
  "hsl": {
    "h": 110.727,
    "s": 46.218,
    "l": 46.667
  },
  "oklch": {
    "l": 0.67045,
    "c": 0.17223,
    "h": 140.7
  },
  "luminance": 0.32392
}

Semantic roles & 50–950 ramp

primary

#51AE40

secondary

#B988C2

accent

#52D6C1

background

#F8FCF7

surface

#F0F8EE

border

#CBD1C9

text

#0D1309

muted

#7D827B

Preview Lab

Preview with #51AE40

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

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