#51B034#51B034

#51B034 is a light, vivid green. Relative luminance 0.330; OKLCH L 67.5% C 0.183 H 139.4°. Best body text is #000000 at 7.61:1 contrast (WCAG AA passes).

Color values

HEX	#51B034
RGB	rgb(81, 176, 52)
HSL	hsl(106, 54%, 45%)
HSV	hsv(106, 70%, 69%)
CMYK	cmyk(54%, 0%, 70.5%, 31%)
CIE-LAB	lab(64.20, -50.60, 52.47)
CIE-LCH	lch(64.20, 72.89, 133.96°)
OKLab	oklab(67.45% -0.1391 0.1194)
OKLCH	oklch(67.45% 0.183 139.4)
XYZ	xyz(19.5377, 33.0464, 8.5972)
Luminance	0.3305 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B034 #9334B0

analogous

#8FB034 #51B034 #34B055

triadic

#51B034 #3451B0 #B03451

tetradic

#51B034 #348FB0 #9334B0 #B05534

square

#51B034 #348FB0 #9334B0 #B05534

split-complementary

#51B034 #5534B0 #B0348F

monochromatic

#265218 #3B8126 #51B034 #71CD55 #98DB84

Accessibility & contrast

On white

2.76

#51B034 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.61

#51B034 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B034

7.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B034	#FFFFFF	#000000	##000000
##51B034	1.00	2.76	7.61	7.61
#FFFFFF	2.76	1.00	21.00	21.00
#000000	7.61	21.00	1.00	1.00
##000000	7.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B5A121

Deuteranopia (green-blind)

#A99940

Tritanopia (blue-blind)

#47AA97

Achromatopsia (no color)

#9C9C9C

Design tokens & code

CSS

--color: #51b034;
/* rgb */ color: rgb(81, 176, 52);
/* oklch */ color: oklch(67.5% 0.183 139.4);

Tailwind

colors: {
  custom: {
    50: '#8bc873',
    500: '#51b034',
    950: '#000000',
  },
}

SCSS

$custom: #51b034;
$custom-light: #8bc873;
$custom-dark: #000000;

JSON

{
  "hex": "#51b034",
  "rgb": {
    "r": 81,
    "g": 176,
    "b": 52
  },
  "hsl": {
    "h": 105.968,
    "s": 54.386,
    "l": 44.706
  },
  "oklch": {
    "l": 0.67453,
    "c": 0.18336,
    "h": 139.4
  },
  "luminance": 0.33048
}

Semantic roles & 50–950 ramp

primary

#51B034

secondary

#B37CC4

accent

#4ADEBB

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51B034

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

Preview Lab → · Contrast checker → · Palette generator →