#51C145#51C145

#51C145 is a light, vivid green. Relative luminance 0.403; OKLCH L 72.0% C 0.192 H 141.7°. Best body text is #000000 at 9.06:1 contrast (WCAG AA passes).

Color values

HEX	#51C145
RGB	rgb(81, 193, 69)
HSL	hsl(114, 50%, 51%)
HSV	hsv(114, 64%, 76%)
CMYK	cmyk(58%, 0%, 64.2%, 24.3%)
CIE-LAB	lab(69.69, -55.39, 51.41)
CIE-LCH	lch(69.69, 75.57, 137.14°)
OKLab	oklab(72.03% -0.1511 0.1192)
OKLCH	oklch(72.03% 0.192 141.7)
XYZ	xyz(23.5363, 40.3168, 12.1707)
Luminance	0.4032 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C145 #B545C1

analogous

#8FC145 #51C145 #45C177

triadic

#51C145 #4551C1 #C14551

tetradic

#51C145 #458FC1 #B545C1 #C17745

square

#51C145 #458FC1 #B545C1 #C17745

split-complementary

#51C145 #7745C1 #C1458F

monochromatic

#2A6923 #3C9732 #51C145 #7CD073 #A7E0A1

Accessibility & contrast

On white

2.32

#51C145 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.06

#51C145 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C145

9.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C145	#FFFFFF	#000000	##000000
##51C145	1.00	2.32	9.06	9.06
#FFFFFF	2.32	1.00	21.00	21.00
#000000	9.06	21.00	1.00	1.00
##000000	9.06	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B036

Deuteranopia (green-blind)

#B7A750

Tritanopia (blue-blind)

#40BBA7

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #51c145;
/* rgb */ color: rgb(81, 193, 69);
/* oklch */ color: oklch(72.0% 0.192 141.7);

Tailwind

colors: {
  custom: {
    50: '#8dd57e',
    500: '#51c145',
    950: '#000000',
  },
}

SCSS

$custom: #51c145;
$custom-light: #8dd57e;
$custom-dark: #000000;

JSON

{
  "hex": "#51c145",
  "rgb": {
    "r": 81,
    "g": 193,
    "b": 69
  },
  "hsl": {
    "h": 114.194,
    "s": 50,
    "l": 51.373
  },
  "oklch": {
    "l": 0.72029,
    "c": 0.19246,
    "h": 141.7
  },
  "luminance": 0.40319
}

Semantic roles & 50–950 ramp

primary

#51C145

secondary

#C796CC

accent

#4EDACC

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D140A

muted

#7E837C

Preview Lab

Preview with #51C145

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

Preview Lab → · Contrast checker → · Palette generator →