#51B833#51B833

#51B833 is a light, vivid green. Relative luminance 0.363; OKLCH L 69.5% C 0.194 H 139.6°. Best body text is #000000 at 8.25:1 contrast (WCAG AA passes).

Color values

HEX	#51B833
RGB	rgb(81, 184, 51)
HSL	hsl(106, 57%, 46%)
HSV	hsv(106, 72%, 72%)
CMYK	cmyk(56%, 0%, 72.3%, 27.8%)
CIE-LAB	lab(66.72, -53.67, 55.45)
CIE-LCH	lch(66.72, 77.17, 134.07°)
OKLab	oklab(69.53% -0.1475 0.1255)
OKLCH	oklch(69.53% 0.194 139.6)
XYZ	xyz(21.1305, 36.2676, 9.0182)
Luminance	0.3627 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B833 #9A33B8

analogous

#93B833 #51B833 #33B857

triadic

#51B833 #3351B8 #B83351

tetradic

#51B833 #3393B8 #9A33B8 #B85733

square

#51B833 #3393B8 #9A33B8 #B85733

split-complementary

#51B833 #5733B8 #B83393

monochromatic

#275818 #3C8826 #51B833 #73D158 #9BDE88

Accessibility & contrast

On white

2.54

#51B833 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.25

#51B833 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B833

8.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B833	#FFFFFF	#000000	##000000
##51B833	1.00	2.54	8.25	8.25
#FFFFFF	2.54	1.00	21.00	21.00
#000000	8.25	21.00	1.00	1.00
##000000	8.25	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BDA81C

Deuteranopia (green-blind)

#B09F40

Tritanopia (blue-blind)

#46B29E

Achromatopsia (no color)

#A2A2A2

Design tokens & code

CSS

--color: #51b833;
/* rgb */ color: rgb(81, 184, 51);
/* oklch */ color: oklch(69.5% 0.194 139.6);

Tailwind

colors: {
  custom: {
    50: '#8cce73',
    500: '#51b833',
    950: '#000000',
  },
}

SCSS

$custom: #51b833;
$custom-light: #8cce73;
$custom-dark: #000000;

JSON

{
  "hex": "#51b833",
  "rgb": {
    "r": 81,
    "g": 184,
    "b": 51
  },
  "hsl": {
    "h": 106.466,
    "s": 56.596,
    "l": 46.078
  },
  "oklch": {
    "l": 0.69533,
    "c": 0.19369,
    "h": 139.6
  },
  "luminance": 0.36269
}

Semantic roles & 50–950 ramp

primary

#51B833

secondary

#B77FC8

accent

#48E0BE

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1408

muted

#7E827B

Preview Lab

Preview with #51B833

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

Preview Lab → · Contrast checker → · Palette generator →