#51BE33#51BE33

#51BE33 is a light, highly saturated green. Relative luminance 0.388; OKLCH L 71.1% C 0.201 H 139.8°. Best body text is #000000 at 8.76:1 contrast (WCAG AA passes).

Color values

HEX	#51BE33
RGB	rgb(81, 190, 51)
HSL	hsl(107, 58%, 47%)
HSV	hsv(107, 73%, 75%)
CMYK	cmyk(57.4%, 0%, 73.2%, 25.5%)
CIE-LAB	lab(68.62, -55.86, 57.36)
CIE-LCH	lch(68.62, 80.07, 134.24°)
OKLab	oklab(71.1% -0.1534 0.1295)
OKLCH	oklch(71.1% 0.201 139.8)
XYZ	xyz(22.4034, 38.8133, 9.4425)
Luminance	0.3881 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BE33 #A033BE

analogous

#97BE33 #51BE33 #33BE5A

triadic

#51BE33 #3351BE #BE3351

tetradic

#51BE33 #3397BE #A033BE #BE5A33

square

#51BE33 #3397BE #A033BE #BE5A33

split-complementary

#51BE33 #5A33BE #BE3397

monochromatic

#285E19 #3C8E26 #51BE33 #75D35B #9EE08B

Accessibility & contrast

On white

2.40

#51BE33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.76

#51BE33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BE33

8.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BE33	#FFFFFF	#000000	##000000
##51BE33	1.00	2.40	8.76	8.76
#FFFFFF	2.40	1.00	21.00	21.00
#000000	8.76	21.00	1.00	1.00
##000000	8.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C3AD19

Deuteranopia (green-blind)

#B6A441

Tritanopia (blue-blind)

#44B8A3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51be33;
/* rgb */ color: rgb(81, 190, 51);
/* oklch */ color: oklch(71.1% 0.201 139.8);

Tailwind

colors: {
  custom: {
    50: '#8dd274',
    500: '#51be33',
    950: '#000000',
  },
}

SCSS

$custom: #51be33;
$custom-light: #8dd274;
$custom-dark: #000000;

JSON

{
  "hex": "#51be33",
  "rgb": {
    "r": 81,
    "g": 190,
    "b": 51
  },
  "hsl": {
    "h": 107.05,
    "s": 57.676,
    "l": 47.255
  },
  "oklch": {
    "l": 0.71095,
    "c": 0.20078,
    "h": 139.8
  },
  "luminance": 0.38815
}

Semantic roles & 50–950 ramp

primary

#51BE33

secondary

#BB83CA

accent

#47E1C0

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BE33

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

Preview Lab → · Contrast checker → · Palette generator →