#51BC4A#51BC4A

#51BC4A is a light, vivid green. Relative luminance 0.382; OKLCH L 70.8% C 0.182 H 142.4°. Best body text is #000000 at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#51BC4A
RGB	rgb(81, 188, 74)
HSL	hsl(116, 46%, 51%)
HSV	hsv(116, 61%, 74%)
CMYK	cmyk(56.9%, 0%, 60.6%, 26.3%)
CIE-LAB	lab(68.17, -53.01, 47.51)
CIE-LCH	lch(68.17, 71.18, 138.13°)
OKLab	oklab(70.79% -0.1444 0.1114)
OKLCH	oklch(70.79% 0.182 142.4)
XYZ	xyz(22.6114, 38.2082, 12.6606)
Luminance	0.3821 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC4A #B54ABC

analogous

#8ABC4A #51BC4A #4ABC7C

triadic

#51BC4A #4A51BC #BC4A51

tetradic

#51BC4A #4A8ABC #B54ABC #BC7C4A

square

#51BC4A #4A8ABC #B54ABC #BC7C4A

split-complementary

#51BC4A #7C4ABC #BC4A8A

monochromatic

#2A6626 #3C9336 #51BC4A #7CCD77 #A7DDA3

Accessibility & contrast

On white

2.43

#51BC4A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.64

#51BC4A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC4A

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC4A	#FFFFFF	#000000	##000000
##51BC4A	1.00	2.43	8.64	8.64
#FFFFFF	2.43	1.00	21.00	21.00
#000000	8.64	21.00	1.00	1.00
##000000	8.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AC3E

Deuteranopia (green-blind)

#B2A353

Tritanopia (blue-blind)

#41B7A4

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc4a;
/* rgb */ color: rgb(81, 188, 74);
/* oklch */ color: oklch(70.8% 0.182 142.4);

Tailwind

colors: {
  custom: {
    50: '#8cd180',
    500: '#51bc4a',
    950: '#000000',
  },
}

SCSS

$custom: #51bc4a;
$custom-light: #8cd180;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc4a",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 74
  },
  "hsl": {
    "h": 116.316,
    "s": 45.968,
    "l": 51.373
  },
  "oklch": {
    "l": 0.7079,
    "c": 0.18234,
    "h": 142.4
  },
  "luminance": 0.3821
}

Semantic roles & 50–950 ramp

primary

#51BC4A

secondary

#C798CA

accent

#52D6CE

background

#F9FCF8

surface

#F1F9EF

border

#CBD2CA

text

#0D140A

muted

#7E827C

Preview Lab

Preview with #51BC4A

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

Preview Lab → · Contrast checker → · Palette generator →