#51B023#51B023

#51B023 is a light, vivid green. Relative luminance 0.329; OKLCH L 67.3% C 0.193 H 138.0°. Best body text is #000000 at 7.58:1 contrast (WCAG AA passes).

Color values

HEX	#51B023
RGB	rgb(81, 176, 35)
HSL	hsl(100, 67%, 41%)
HSV	hsv(100, 80%, 69%)
CMYK	cmyk(54%, 0%, 80.1%, 31%)
CIE-LAB	lab(64.10, -51.76, 58.24)
CIE-LCH	lch(64.10, 77.91, 131.63°)
OKLab	oklab(67.34% -0.1433 0.1291)
OKLCH	oklch(67.34% 0.193 138)
XYZ	xyz(19.2214, 32.9198, 6.9311)
Luminance	0.3292 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B023 #8223B0

analogous

#98B023 #51B023 #23B03C

triadic

#51B023 #2351B0 #B02351

tetradic

#51B023 #2398B0 #8223B0 #B03C23

square

#51B023 #2398B0 #8223B0 #B03C23

split-complementary

#51B023 #3C23B0 #B02398

monochromatic

#224A0F #3A7D19 #51B023 #6CD839 #92E26C

Accessibility & contrast

On white

2.77

#51B023 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.58

#51B023 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B023

7.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B023	#FFFFFF	#000000	##000000
##51B023	1.00	2.77	7.58	7.58
#FFFFFF	2.77	1.00	21.00	21.00
#000000	7.58	21.00	1.00	1.00
##000000	7.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B6A000

Deuteranopia (green-blind)

#AA9834

Tritanopia (blue-blind)

#49AA96

Achromatopsia (no color)

#9B9B9B

Design tokens & code

CSS

--color: #51b023;
/* rgb */ color: rgb(81, 176, 35);
/* oklch */ color: oklch(67.3% 0.193 138.0);

Tailwind

colors: {
  custom: {
    50: '#8cc86a',
    500: '#51b023',
    950: '#000000',
  },
}

SCSS

$custom: #51b023;
$custom-light: #8cc86a;
$custom-dark: #000000;

JSON

{
  "hex": "#51b023",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 35
  },
  "hsl": {
    "h": 100.426,
    "s": 66.825,
    "l": 41.373
  },
  "oklch": {
    "l": 0.67336,
    "c": 0.19286,
    "h": 138
  },
  "luminance": 0.32921
}

Semantic roles & 50–950 ramp

primary

#51B023

secondary

#A867C8

accent

#3EEAB2

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51B023

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

Preview Lab → · Contrast checker → · Palette generator →