#51C231#51C231

#51C231 is a light, highly saturated green. Relative luminance 0.406; OKLCH L 72.1% C 0.207 H 139.8°. Best body text is #000000 at 9.11:1 contrast (WCAG AA passes).

Color values

HEX	#51C231
RGB	rgb(81, 194, 49)
HSL	hsl(107, 60%, 48%)
HSV	hsv(107, 75%, 76%)
CMYK	cmyk(58.2%, 0%, 74.7%, 23.9%)
CIE-LAB	lab(69.86, -57.44, 59.31)
CIE-LCH	lch(69.86, 82.56, 134.08°)
OKLab	oklab(72.12% -0.1578 0.1333)
OKLCH	oklch(72.12% 0.207 139.8)
XYZ	xyz(23.2385, 40.5526, 9.5080)
Luminance	0.4056 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C231 #A231C2

analogous

#99C231 #51C231 #31C25A

triadic

#51C231 #3151C2 #C23151

tetradic

#51C231 #3199C2 #A231C2 #C25A31

square

#51C231 #3199C2 #A231C2 #C25A31

split-complementary

#51C231 #5A31C2 #C23199

monochromatic

#286018 #3D9125 #51C231 #76D65B #9FE28C

Accessibility & contrast

On white

2.30

#51C231 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.11

#51C231 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C231

9.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C231	#FFFFFF	#000000	##000000
##51C231	1.00	2.30	9.11	9.11
#FFFFFF	2.30	1.00	21.00	21.00
#000000	9.11	21.00	1.00	1.00
##000000	9.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C7B012

Deuteranopia (green-blind)

#B9A740

Tritanopia (blue-blind)

#43BCA6

Achromatopsia (no color)

#ABABAB

Design tokens & code

CSS

--color: #51c231;
/* rgb */ color: rgb(81, 194, 49);
/* oklch */ color: oklch(72.1% 0.207 139.8);

Tailwind

colors: {
  custom: {
    50: '#8ed573',
    500: '#51c231',
    950: '#000000',
  },
}

SCSS

$custom: #51c231;
$custom-light: #8ed573;
$custom-dark: #000000;

JSON

{
  "hex": "#51c231",
  "rgb": {
    "r": 81,
    "g": 194,
    "b": 49
  },
  "hsl": {
    "h": 106.759,
    "s": 59.671,
    "l": 47.647
  },
  "oklch": {
    "l": 0.72119,
    "c": 0.20657,
    "h": 139.8
  },
  "luminance": 0.40555
}

Semantic roles & 50–950 ramp

primary

#51C231

secondary

#BC83CC

accent

#45E3C0

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0E1409

muted

#7E837B

Preview Lab

Preview with #51C231

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

Preview Lab → · Contrast checker → · Palette generator →