#51CD33#51CD33

#51CD33 is a light, highly saturated green. Relative luminance 0.457; OKLCH L 75.0% C 0.218 H 140.3°. Best body text is #000000 at 10.13:1 contrast (WCAG AA passes).

Color values

HEX	#51CD33
RGB	rgb(81, 205, 51)
HSL	hsl(108, 61%, 50%)
HSV	hsv(108, 75%, 80%)
CMYK	cmyk(60.5%, 0%, 75.1%, 19.6%)
CIE-LAB	lab(73.32, -61.16, 62.04)
CIE-LCH	lch(73.32, 87.12, 134.59°)
OKLab	oklab(74.98% -0.1677 0.1393)
OKLCH	oklch(74.98% 0.218 140.3)
XYZ	xyz(25.8210, 45.6486, 10.5817)
Luminance	0.4565 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CD33 #AF33CD

analogous

#9ECD33 #51CD33 #33CD62

triadic

#51CD33 #3351CD #CD3351

tetradic

#51CD33 #339ECD #AF33CD #CD6233

square

#51CD33 #339ECD #AF33CD #CD6233

split-complementary

#51CD33 #6233CD #CD339E

monochromatic

#2A6B1A #3D9C26 #51CD33 #7BD964 #A5E595

Accessibility & contrast

On white

2.07

#51CD33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.13

#51CD33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CD33

10.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CD33	#FFFFFF	#000000	##000000
##51CD33	1.00	2.07	10.13	10.13
#FFFFFF	2.07	1.00	21.00	21.00
#000000	10.13	21.00	1.00	1.00
##000000	10.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D3BA10

Deuteranopia (green-blind)

#C3B044

Tritanopia (blue-blind)

#40C6B0

Achromatopsia (no color)

#B4B4B4

Design tokens & code

CSS

--color: #51cd33;
/* rgb */ color: rgb(81, 205, 51);
/* oklch */ color: oklch(75.0% 0.218 140.3);

Tailwind

colors: {
  custom: {
    50: '#90dd75',
    500: '#51cd33',
    950: '#000000',
  },
}

SCSS

$custom: #51cd33;
$custom-light: #90dd75;
$custom-dark: #000000;

JSON

{
  "hex": "#51cd33",
  "rgb": {
    "r": 81,
    "g": 205,
    "b": 51
  },
  "hsl": {
    "h": 108.312,
    "s": 60.63,
    "l": 50.196
  },
  "oklch": {
    "l": 0.74979,
    "c": 0.21801,
    "h": 140.3
  },
  "luminance": 0.45651
}

Semantic roles & 50–950 ramp

primary

#51CD33

secondary

#C38BD0

accent

#44E4C5

background

#F9FDF7

surface

#F2FBED

border

#CCD4C8

text

#0E1509

muted

#7E837B

Preview Lab

Preview with #51CD33

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

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