#51B327#51B327

#51B327 is a light, vivid green. Relative luminance 0.341; OKLCH L 68.1% C 0.194 H 138.4°. Best body text is #000000 at 7.83:1 contrast (WCAG AA passes).

Color values

HEX	#51B327
RGB	rgb(81, 179, 39)
HSL	hsl(102, 64%, 43%)
HSV	hsv(102, 78%, 70%)
CMYK	cmyk(54.7%, 0%, 78.2%, 29.8%)
CIE-LAB	lab(65.07, -52.64, 57.94)
CIE-LCH	lch(65.07, 78.28, 132.26°)
OKLab	oklab(68.15% -0.1454 0.129)
OKLCH	oklch(68.15% 0.194 138.4)
XYZ	xyz(19.8789, 34.1344, 7.4601)
Luminance	0.3414 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B327 #8927B3

analogous

#97B327 #51B327 #27B343

triadic

#51B327 #2751B3 #B32751

tetradic

#51B327 #2797B3 #8927B3 #B34327

square

#51B327 #2797B3 #8927B3 #B34327

split-complementary

#51B327 #4327B3 #B32797

monochromatic

#244E11 #3A811C #51B327 #6ED641 #94E174

Accessibility & contrast

On white

2.68

#51B327 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.83

#51B327 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B327

7.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B327	#FFFFFF	#000000	##000000
##51B327	1.00	2.68	7.83	7.83
#FFFFFF	2.68	1.00	21.00	21.00
#000000	7.83	21.00	1.00	1.00
##000000	7.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B9A300

Deuteranopia (green-blind)

#AC9B37

Tritanopia (blue-blind)

#48AD99

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #51b327;
/* rgb */ color: rgb(81, 179, 39);
/* oklch */ color: oklch(68.1% 0.194 138.4);

Tailwind

colors: {
  custom: {
    50: '#8cca6c',
    500: '#51b327',
    950: '#000000',
  },
}

SCSS

$custom: #51b327;
$custom-light: #8cca6c;
$custom-dark: #000000;

JSON

{
  "hex": "#51b327",
  "rgb": {
    "r": 81,
    "g": 179,
    "b": 39
  },
  "hsl": {
    "h": 102,
    "s": 64.22,
    "l": 42.745
  },
  "oklch": {
    "l": 0.68145,
    "c": 0.19443,
    "h": 138.4
  },
  "luminance": 0.34136
}

Semantic roles & 50–950 ramp

primary

#51B327

secondary

#AD6EC8

accent

#41E7B5

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B327

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

Preview Lab → · Contrast checker → · Palette generator →