#51CB3A#51CB3A

#51CB3A is a light, highly saturated green. Relative luminance 0.448; OKLCH L 74.5% C 0.212 H 140.8°. Best body text is #000000 at 9.95:1 contrast (WCAG AA passes).

Color values

HEX	#51CB3A
RGB	rgb(81, 203, 58)
HSL	hsl(110, 58%, 51%)
HSV	hsv(110, 71%, 80%)
CMYK	cmyk(60.1%, 0%, 71.4%, 20.4%)
CIE-LAB	lab(72.74, -59.95, 59.01)
CIE-LCH	lch(72.74, 84.12, 135.45°)
OKLab	oklab(74.51% -0.1641 0.1339)
OKLCH	oklch(74.51% 0.212 140.8)
XYZ	xyz(25.5118, 44.7643, 11.2981)
Luminance	0.4477 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB3A #B43ACB

analogous

#99CB3A #51CB3A #3ACB6B

triadic

#51CB3A #3A51CB #CB3A51

tetradic

#51CB3A #3A99CB #B43ACB #CB6B3A

square

#51CB3A #3A99CB #B43ACB #CB6B3A

split-complementary

#51CB3A #6B3ACB #CB3A99

monochromatic

#2A6E1D #3C9E2A #51CB3A #7CD86A #A7E59B

Accessibility & contrast

On white

2.11

#51CB3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.95

#51CB3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB3A

9.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB3A	#FFFFFF	#000000	##000000
##51CB3A	1.00	2.11	9.95	9.95
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.95	21.00	1.00	1.00
##000000	9.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D0B921

Deuteranopia (green-blind)

#C1AF48

Tritanopia (blue-blind)

#3FC5AF

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51cb3a;
/* rgb */ color: rgb(81, 203, 58);
/* oklch */ color: oklch(74.5% 0.212 140.8);

Tailwind

colors: {
  custom: {
    50: '#8fdc79',
    500: '#51cb3a',
    950: '#000000',
  },
}

SCSS

$custom: #51cb3a;
$custom-light: #8fdc79;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb3a",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 58
  },
  "hsl": {
    "h": 110.483,
    "s": 58.233,
    "l": 51.176
  },
  "oklch": {
    "l": 0.74513,
    "c": 0.21176,
    "h": 140.8
  },
  "luminance": 0.44767
}

Semantic roles & 50–950 ramp

primary

#51CB3A

secondary

#C690D0

accent

#46E1C9

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CB3A

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

Preview Lab → · Contrast checker → · Palette generator →