#51BD3C#51BD3C

#51BD3C is a light, vivid green. Relative luminance 0.385; OKLCH L 70.9% C 0.194 H 140.6°. Best body text is #000000 at 8.69:1 contrast (WCAG AA passes).

Color values

HEX	#51BD3C
RGB	rgb(81, 189, 60)
HSL	hsl(110, 52%, 49%)
HSV	hsv(110, 68%, 74%)
CMYK	cmyk(57.1%, 0%, 68.3%, 25.9%)
CIE-LAB	lab(68.36, -54.77, 53.69)
CIE-LCH	lch(68.36, 76.70, 135.57°)
OKLab	oklab(70.91% -0.1499 0.123)
OKLCH	oklch(70.91% 0.194 140.6)
XYZ	xyz(22.4055, 38.4688, 10.5186)
Luminance	0.3847 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BD3C #A83CBD

analogous

#92BD3C #51BD3C #3CBD68

triadic

#51BD3C #3C51BD #BD3C51

tetradic

#51BD3C #3C92BD #A83CBD #BD683C

square

#51BD3C #3C92BD #A83CBD #BD683C

split-complementary

#51BD3C #683CBD #BD3C92

monochromatic

#29601F #3D8F2D #51BD3C #78CF67 #A1DE96

Accessibility & contrast

On white

2.42

#51BD3C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.69

#51BD3C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BD3C

8.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BD3C	#FFFFFF	#000000	##000000
##51BD3C	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)

#C2AC2A

Deuteranopia (green-blind)

#B4A348

Tritanopia (blue-blind)

#43B7A3

Achromatopsia (no color)

#A7A7A7

Design tokens & code

CSS

--color: #51bd3c;
/* rgb */ color: rgb(81, 189, 60);
/* oklch */ color: oklch(70.9% 0.194 140.6);

Tailwind

colors: {
  custom: {
    50: '#8dd278',
    500: '#51bd3c',
    950: '#000000',
  },
}

SCSS

$custom: #51bd3c;
$custom-light: #8dd278;
$custom-dark: #000000;

JSON

{
  "hex": "#51bd3c",
  "rgb": {
    "r": 81,
    "g": 189,
    "b": 60
  },
  "hsl": {
    "h": 110.233,
    "s": 51.807,
    "l": 48.824
  },
  "oklch": {
    "l": 0.70908,
    "c": 0.19393,
    "h": 140.6
  },
  "luminance": 0.38471
}

Semantic roles & 50–950 ramp

primary

#51BD3C

secondary

#BF8CC9

accent

#4DDBC4

background

#F9FDF7

surface

#F1FAEE

border

#CBD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51BD3C

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

Preview Lab → · Contrast checker → · Palette generator →