#51BD3A#51BD3A

#51BD3A is a light, vivid green. Relative luminance 0.385; OKLCH L 70.9% C 0.195 H 140.4°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#51BD3A
RGB	rgb(81, 189, 58)
HSL	hsl(109, 53%, 48%)
HSV	hsv(109, 69%, 74%)
CMYK	cmyk(57.1%, 0%, 69.3%, 25.9%)
CIE-LAB	lab(68.35, -54.94, 54.46)
CIE-LCH	lch(68.35, 77.36, 135.25°)
OKLab	oklab(70.89% -0.1505 0.1244)
OKLCH	oklch(70.89% 0.195 140.4)
XYZ	xyz(22.3536, 38.4481, 10.2454)
Luminance	0.3845 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD3A #A63ABD

analogous

#92BD3A #51BD3A #3ABD65

triadic

#51BD3A #3A51BD #BD3A51

tetradic

#51BD3A #3A92BD #A63ABD #BD653A

square

#51BD3A #3A92BD #A63ABD #BD653A

split-complementary

#51BD3A #653ABD #BD3A92

monochromatic

#295F1D #3D8E2C #51BD3A #77D065 #A1DE93

Accessibility & contrast

On white

2.42

#51BD3A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.69

#51BD3A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD3A

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD3A	#FFFFFF	#000000	##000000
##51BD3A	1.00	2.42	8.69	8.69
#FFFFFF	2.42	1.00	21.00	21.00
#000000	8.69	21.00	1.00	1.00
##000000	8.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C2AC26

Deuteranopia (green-blind)

#B4A346

Tritanopia (blue-blind)

#43B7A3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bd3a;
/* rgb */ color: rgb(81, 189, 58);
/* oklch */ color: oklch(70.9% 0.195 140.4);

Tailwind

colors: {
  custom: {
    50: '#8dd277',
    500: '#51bd3a',
    950: '#000000',
  },
}

SCSS

$custom: #51bd3a;
$custom-light: #8dd277;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd3a",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 58
  },
  "hsl": {
    "h": 109.466,
    "s": 53.036,
    "l": 48.431
  },
  "oklch": {
    "l": 0.7089,
    "c": 0.19526,
    "h": 140.4
  },
  "luminance": 0.3845
}

Semantic roles & 50–950 ramp

primary

#51BD3A

secondary

#BE8AC9

accent

#4BDCC3

background

#F9FDF7

surface

#F1FAED

border

#CBD3C8

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BD3A

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

Preview Lab → · Contrast checker → · Palette generator →