#51B736#51B736

#51B736 is a light, vivid green. Relative luminance 0.359; OKLCH L 69.3% C 0.191 H 139.8°. Best body text is #000000 at 8.18:1 contrast (WCAG AA passes).

Color values

HEX	#51B736
RGB	rgb(81, 183, 54)
HSL	hsl(107, 54%, 46%)
HSV	hsv(107, 70%, 72%)
CMYK	cmyk(55.7%, 0%, 70.5%, 28.2%)
CIE-LAB	lab(66.43, -53.06, 54.01)
CIE-LCH	lch(66.43, 75.72, 134.49°)
OKLab	oklab(69.3% -0.1457 0.1229)
OKLCH	oklch(69.3% 0.191 139.8)
XYZ	xyz(20.9918, 35.8809, 9.3088)
Luminance	0.3588 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B736 #9C36B7

analogous

#92B736 #51B736 #36B75C

triadic

#51B736 #3651B7 #B73651

tetradic

#51B736 #3692B7 #9C36B7 #B75C36

square

#51B736 #3692B7 #9C36B7 #B75C36

split-complementary

#51B736 #5C36B7 #B73692

monochromatic

#27581A #3C8828 #51B736 #74CF5B #9CDD8B

Accessibility & contrast

On white

2.57

#51B736 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.18

#51B736 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B736

8.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B736	#FFFFFF	#000000	##000000
##51B736	1.00	2.57	8.18	8.18
#FFFFFF	2.57	1.00	21.00	21.00
#000000	8.18	21.00	1.00	1.00
##000000	8.18	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BCA722

Deuteranopia (green-blind)

#AF9E42

Tritanopia (blue-blind)

#45B19D

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b736;
/* rgb */ color: rgb(81, 183, 54);
/* oklch */ color: oklch(69.3% 0.191 139.8);

Tailwind

colors: {
  custom: {
    50: '#8ccd74',
    500: '#51b736',
    950: '#000000',
  },
}

SCSS

$custom: #51b736;
$custom-light: #8ccd74;
$custom-dark: #000000;

JSON

{
  "hex": "#51b736",
  "rgb": {
    "r": 81,
    "g": 183,
    "b": 54
  },
  "hsl": {
    "h": 107.442,
    "s": 54.43,
    "l": 46.471
  },
  "oklch": {
    "l": 0.69297,
    "c": 0.19061,
    "h": 139.8
  },
  "luminance": 0.35883
}

Semantic roles & 50–950 ramp

primary

#51B736

secondary

#B882C7

accent

#4ADEBF

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #51B736

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

Preview Lab → · Contrast checker → · Palette generator →