#51BC2A#51BC2A

#51BC2A is a light, highly saturated green. Relative luminance 0.379; OKLCH L 70.5% C 0.203 H 139.1°. Best body text is #000000 at 8.58:1 contrast (WCAG AA passes).

Color values

HEX	#51BC2A
RGB	rgb(81, 188, 42)
HSL	hsl(104, 63%, 45%)
HSV	hsv(104, 78%, 74%)
CMYK	cmyk(56.9%, 0%, 77.7%, 26.3%)
CIE-LAB	lab(67.93, -55.75, 59.73)
CIE-LCH	lch(67.93, 81.70, 133.03°)
OKLab	oklab(70.51% -0.1536 0.1332)
OKLCH	oklch(70.51% 0.203 139.1)
XYZ	xyz(21.7936, 37.8811, 8.3534)
Luminance	0.3788 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BC2A #952ABC

analogous

#9ABC2A #51BC2A #2ABC4C

triadic

#51BC2A #2A51BC #BC2A51

tetradic

#51BC2A #2A9ABC #952ABC #BC4C2A

square

#51BC2A #2A9ABC #952ABC #BC4C2A

split-complementary

#51BC2A #4C2ABC #BC2A9A

monochromatic

#265814 #3B8A1F #51BC2A #71D74C #99E27E

Accessibility & contrast

On white

2.45

#51BC2A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.58

#51BC2A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BC2A

8.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BC2A	#FFFFFF	#000000	##000000
##51BC2A	1.00	2.45	8.58	8.58
#FFFFFF	2.45	1.00	21.00	21.00
#000000	8.58	21.00	1.00	1.00
##000000	8.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AB00

Deuteranopia (green-blind)

#B4A23B

Tritanopia (blue-blind)

#46B6A1

Achromatopsia (no color)

#A6A6A6

Design tokens & code

CSS

--color: #51bc2a;
/* rgb */ color: rgb(81, 188, 42);
/* oklch */ color: oklch(70.5% 0.203 139.1);

Tailwind

colors: {
  custom: {
    50: '#8ed16f',
    500: '#51bc2a',
    950: '#000000',
  },
}

SCSS

$custom: #51bc2a;
$custom-light: #8ed16f;
$custom-dark: #000000;

JSON

{
  "hex": "#51bc2a",
  "rgb": {
    "r": 81,
    "g": 188,
    "b": 42
  },
  "hsl": {
    "h": 103.973,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.70514,
    "c": 0.20333,
    "h": 139.1
  },
  "luminance": 0.37883
}

Semantic roles & 50–950 ramp

primary

#51BC2A

secondary

#B477CB

accent

#41E7BA

background

#F9FCF7

surface

#F2F9ED

border

#CCD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51BC2A

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

Preview Lab → · Contrast checker → · Palette generator →