#51D23A#51D23A

#51D23A is a light, highly saturated green. Relative luminance 0.481; OKLCH L 76.3% C 0.220 H 140.9°. Best body text is #000000 at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#51D23A
RGB	rgb(81, 210, 58)
HSL	hsl(111, 63%, 53%)
HSV	hsv(111, 72%, 82%)
CMYK	cmyk(61.4%, 0%, 72.4%, 17.6%)
CIE-LAB	lab(74.92, -62.38, 61.23)
CIE-LCH	lch(74.92, 87.41, 135.53°)
OKLab	oklab(76.32% -0.1706 0.1385)
OKLCH	oklch(76.32% 0.22 140.9)
XYZ	xyz(27.2023, 48.1454, 11.8616)
Luminance	0.4815 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D23A #BB3AD2

analogous

#9DD23A #51D23A #3AD26F

triadic

#51D23A #3A51D2 #D23A51

tetradic

#51D23A #3A9DD2 #BB3AD2 #D26F3A

square

#51D23A #3A9DD2 #BB3AD2 #D26F3A

split-complementary

#51D23A #6F3AD2 #D23A9D

monochromatic

#29771B #3AA826 #51D23A #7DDD6C #A9E99E

Accessibility & contrast

On white

1.98

#51D23A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.63

#51D23A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D23A

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D23A	#FFFFFF	#000000	##000000
##51D23A	1.00	1.98	10.63	10.63
#FFFFFF	1.98	1.00	21.00	21.00
#000000	10.63	21.00	1.00	1.00
##000000	10.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D7BF1E

Deuteranopia (green-blind)

#C8B44A

Tritanopia (blue-blind)

#3DCBB4

Achromatopsia (no color)

#B8B8B8

Design tokens & code

CSS

--color: #51d23a;
/* rgb */ color: rgb(81, 210, 58);
/* oklch */ color: oklch(76.3% 0.220 140.9);

Tailwind

colors: {
  custom: {
    50: '#90e179',
    500: '#51d23a',
    950: '#000000',
  },
}

SCSS

$custom: #51d23a;
$custom-light: #90e179;
$custom-dark: #000000;

JSON

{
  "hex": "#51d23a",
  "rgb": {
    "r": 81,
    "g": 210,
    "b": 58
  },
  "hsl": {
    "h": 110.921,
    "s": 62.81,
    "l": 52.549
  },
  "oklch": {
    "l": 0.76316,
    "c": 0.21978,
    "h": 140.9
  },
  "luminance": 0.48148
}

Semantic roles & 50–950 ramp

primary

#51D23A

secondary

#CB93D5

accent

#42E6CD

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51D23A

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

Preview Lab → · Contrast checker → · Palette generator →