#51BF3A#51BF3A

#51BF3A is a light, vivid green. Relative luminance 0.393; OKLCH L 71.4% C 0.198 H 140.5°. Best body text is #000000 at 8.86:1 contrast (WCAG AA passes).

Color values

HEX	#51BF3A
RGB	rgb(81, 191, 58)
HSL	hsl(110, 53%, 49%)
HSV	hsv(110, 70%, 75%)
CMYK	cmyk(57.6%, 0%, 69.6%, 25.1%)
CIE-LAB	lab(68.98, -55.67, 55.12)
CIE-LCH	lch(68.98, 78.35, 135.29°)
OKLab	oklab(71.41% -0.1525 0.1257)
OKLCH	oklch(71.41% 0.198 140.5)
XYZ	xyz(22.7868, 39.3144, 10.3898)
Luminance	0.3932 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF3A #A83ABF

analogous

#94BF3A #51BF3A #3ABF66

triadic

#51BF3A #3A51BF #BF3A51

tetradic

#51BF3A #3A94BF #A83ABF #BF663A

square

#51BF3A #3A94BF #A83ABF #BF663A

split-complementary

#51BF3A #663ABF #BF3A94

monochromatic

#29611D #3D902C #51BF3A #78D066 #A1DF95

Accessibility & contrast

On white

2.37

#51BF3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.86

#51BF3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF3A

8.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF3A	#FFFFFF	#000000	##000000
##51BF3A	1.00	2.37	8.86	8.86
#FFFFFF	2.37	1.00	21.00	21.00
#000000	8.86	21.00	1.00	1.00
##000000	8.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C4AE26

Deuteranopia (green-blind)

#B6A547

Tritanopia (blue-blind)

#43B9A4

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bf3a;
/* rgb */ color: rgb(81, 191, 58);
/* oklch */ color: oklch(71.4% 0.198 140.5);

Tailwind

colors: {
  custom: {
    50: '#8dd377',
    500: '#51bf3a',
    950: '#000000',
  },
}

SCSS

$custom: #51bf3a;
$custom-light: #8dd377;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf3a",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 58
  },
  "hsl": {
    "h": 109.624,
    "s": 53.414,
    "l": 48.824
  },
  "oklch": {
    "l": 0.71409,
    "c": 0.19765,
    "h": 140.5
  },
  "luminance": 0.39316
}

Semantic roles & 50–950 ramp

primary

#51BF3A

secondary

#BF8BCA

accent

#4BDDC4

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BF3A

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

Preview Lab → · Contrast checker → · Palette generator →