#51B134#51B134

#51B134 is a light, vivid green. Relative luminance 0.334; OKLCH L 67.7% C 0.185 H 139.4°. Best body text is #000000 at 7.69:1 contrast (WCAG AA passes).

Color values

HEX	#51B134
RGB	rgb(81, 177, 52)
HSL	hsl(106, 55%, 45%)
HSV	hsv(106, 71%, 69%)
CMYK	cmyk(54.2%, 0%, 70.6%, 30.6%)
CIE-LAB	lab(64.52, -50.98, 52.80)
CIE-LCH	lch(64.52, 73.39, 133.99°)
OKLab	oklab(67.72% -0.1402 0.1201)
OKLCH	oklch(67.72% 0.185 139.4)
XYZ	xyz(19.7345, 33.4400, 8.6628)
Luminance	0.3344 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B134 #9434B1

analogous

#90B134 #51B134 #34B156

triadic

#51B134 #3451B1 #B13451

tetradic

#51B134 #3490B1 #9434B1 #B15634

square

#51B134 #3490B1 #9434B1 #B15634

split-complementary

#51B134 #5634B1 #B13490

monochromatic

#265218 #3B8226 #51B134 #71CD55 #98DB84

Accessibility & contrast

On white

2.73

#51B134 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.69

#51B134 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B134

7.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B134	#FFFFFF	#000000	##000000
##51B134	1.00	2.73	7.69	7.69
#FFFFFF	2.73	1.00	21.00	21.00
#000000	7.69	21.00	1.00	1.00
##000000	7.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A120

Deuteranopia (green-blind)

#AA9940

Tritanopia (blue-blind)

#47AB98

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51b134;
/* rgb */ color: rgb(81, 177, 52);
/* oklch */ color: oklch(67.7% 0.185 139.4);

Tailwind

colors: {
  custom: {
    50: '#8bc973',
    500: '#51b134',
    950: '#000000',
  },
}

SCSS

$custom: #51b134;
$custom-light: #8bc973;
$custom-dark: #000000;

JSON

{
  "hex": "#51b134",
  "rgb": {
    "r": 81,
    "g": 177,
    "b": 52
  },
  "hsl": {
    "h": 106.08,
    "s": 54.585,
    "l": 44.902
  },
  "oklch": {
    "l": 0.67715,
    "c": 0.18459,
    "h": 139.4
  },
  "luminance": 0.33442
}

Semantic roles & 50–950 ramp

primary

#51B134

secondary

#B47CC5

accent

#4ADEBC

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B134

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

Preview Lab → · Contrast checker → · Palette generator →