#51B63C#51B63C

#51B63C is a light, vivid green. Relative luminance 0.355; OKLCH L 69.1% C 0.185 H 140.4°. Best body text is #000000 at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#51B63C
RGB	rgb(81, 182, 60)
HSL	hsl(110, 50%, 47%)
HSV	hsv(110, 67%, 71%)
CMYK	cmyk(55.5%, 0%, 67%, 28.6%)
CIE-LAB	lab(66.16, -52.17, 51.33)
CIE-LCH	lch(66.16, 73.19, 135.46°)
OKLab	oklab(69.09% -0.1429 0.118)
OKLCH	oklch(69.09% 0.185 140.4)
XYZ	xyz(20.9360, 35.5297, 10.0288)
Luminance	0.3553 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51B63C #A13CB6

analogous

#8EB63C #51B63C #3CB664

triadic

#51B63C #3C51B6 #B63C51

tetradic

#51B63C #3C8EB6 #A13CB6 #B6643C

square

#51B63C #3C8EB6 #A13CB6 #B6643C

split-complementary

#51B63C #643CB6 #B63C8E

monochromatic

#285A1E #3D882D #51B63C #75CC63 #9EDB91

Accessibility & contrast

On white

2.59

#51B63C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.11

#51B63C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51B63C

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51B63C	#FFFFFF	#000000	##000000
##51B63C	1.00	2.59	8.11	8.11
#FFFFFF	2.59	1.00	21.00	21.00
#000000	8.11	21.00	1.00	1.00
##000000	8.11	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#BBA62C

Deuteranopia (green-blind)

#AE9E47

Tritanopia (blue-blind)

#45B09D

Achromatopsia (no color)

#A1A1A1

Design tokens & code

CSS

--color: #51b63c;
/* rgb */ color: rgb(81, 182, 60);
/* oklch */ color: oklch(69.1% 0.185 140.4);

Tailwind

colors: {
  custom: {
    50: '#8ccd78',
    500: '#51b63c',
    950: '#000000',
  },
}

SCSS

$custom: #51b63c;
$custom-light: #8ccd78;
$custom-dark: #000000;

JSON

{
  "hex": "#51b63c",
  "rgb": {
    "r": 81,
    "g": 182,
    "b": 60
  },
  "hsl": {
    "h": 109.672,
    "s": 50.413,
    "l": 47.451
  },
  "oklch": {
    "l": 0.69089,
    "c": 0.18534,
    "h": 140.4
  },
  "luminance": 0.35531
}

Semantic roles & 50–950 ramp

primary

#51B63C

secondary

#BB88C6

accent

#4EDAC2

background

#F9FCF7

surface

#F1F9ED

border

#CBD2C8

text

#0D1309

muted

#7E827B

Preview Lab

Preview with #51B63C

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

Preview Lab → · Contrast checker → · Palette generator →