#51BB34#51BB34

#51BB34 is a light, vivid green. Relative luminance 0.375; OKLCH L 70.3% C 0.197 H 139.8°. Best body text is #000000 at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#51BB34
RGB	rgb(81, 187, 52)
HSL	hsl(107, 56%, 47%)
HSV	hsv(107, 72%, 73%)
CMYK	cmyk(56.7%, 0%, 72.2%, 26.7%)
CIE-LAB	lab(67.68, -54.70, 56.05)
CIE-LCH	lch(67.68, 78.32, 134.30°)
OKLab	oklab(70.32% -0.1502 0.1269)
OKLCH	oklch(70.32% 0.197 139.8)
XYZ	xyz(21.7826, 37.5361, 9.3455)
Luminance	0.3754 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BB34 #9E34BB

analogous

#95BB34 #51BB34 #34BB5B

triadic

#51BB34 #3451BB #BB3451

tetradic

#51BB34 #3495BB #9E34BB #BB5B34

square

#51BB34 #3495BB #9E34BB #BB5B34

split-complementary

#51BB34 #5B34BB #BB3495

monochromatic

#285B19 #3C8B27 #51BB34 #74D15B #9DDF8B

Accessibility & contrast

On white

2.47

#51BB34 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.51

#51BB34 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BB34

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BB34	#FFFFFF	#000000	##000000
##51BB34	1.00	2.47	8.51	8.51
#FFFFFF	2.47	1.00	21.00	21.00
#000000	8.51	21.00	1.00	1.00
##000000	8.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C0AA1C

Deuteranopia (green-blind)

#B3A241

Tritanopia (blue-blind)

#45B5A1

Achromatopsia (no color)

#A5A5A5

Design tokens & code

CSS

--color: #51bb34;
/* rgb */ color: rgb(81, 187, 52);
/* oklch */ color: oklch(70.3% 0.197 139.8);

Tailwind

colors: {
  custom: {
    50: '#8dd074',
    500: '#51bb34',
    950: '#000000',
  },
}

SCSS

$custom: #51bb34;
$custom-light: #8dd074;
$custom-dark: #000000;

JSON

{
  "hex": "#51bb34",
  "rgb": {
    "r": 81,
    "g": 187,
    "b": 52
  },
  "hsl": {
    "h": 107.111,
    "s": 56.485,
    "l": 46.863
  },
  "oklch": {
    "l": 0.70322,
    "c": 0.19665,
    "h": 139.8
  },
  "luminance": 0.37538
}

Semantic roles & 50–950 ramp

primary

#51BB34

secondary

#BA82C9

accent

#48E0BF

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1409

muted

#7E827B

Preview Lab

Preview with #51BB34

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

Preview Lab → · Contrast checker → · Palette generator →