#51C849#51C849

#51C849 is a light, vivid green. Relative luminance 0.435; OKLCH L 73.9% C 0.198 H 142.3°. Best body text is #000000 at 9.71:1 contrast (WCAG AA passes).

Color values

HEX	#51C849
RGB	rgb(81, 200, 73)
HSL	hsl(116, 54%, 54%)
HSV	hsv(116, 64%, 78%)
CMYK	cmyk(59.5%, 0%, 63.5%, 21.6%)
CIE-LAB	lab(71.92, -57.54, 52.16)
CIE-LCH	lch(71.92, 77.66, 137.80°)
OKLab	oklab(73.87% -0.1567 0.1212)
OKLCH	oklch(73.87% 0.198 142.3)
XYZ	xyz(25.2489, 43.5366, 13.3749)
Luminance	0.4354 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C849 #C049C8

analogous

#90C849 #51C849 #49C880

triadic

#51C849 #4951C8 #C84951

tetradic

#51C849 #4990C8 #C049C8 #C88049

square

#51C849 #4990C8 #C049C8 #C88049

split-complementary

#51C849 #8049C8 #C84990

monochromatic

#287423 #38A331 #51C849 #7ED678 #ABE4A7

Accessibility & contrast

On white

2.16

#51C849 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.71

#51C849 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C849

9.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C849	#FFFFFF	#000000	##000000
##51C849	1.00	2.16	9.71	9.71
#FFFFFF	2.16	1.00	21.00	21.00
#000000	9.71	21.00	1.00	1.00
##000000	9.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CCB63A

Deuteranopia (green-blind)

#BEAC54

Tritanopia (blue-blind)

#3DC2AD

Achromatopsia (no color)

#B0B0B0

Design tokens & code

CSS

--color: #51c849;
/* rgb */ color: rgb(81, 200, 73);
/* oklch */ color: oklch(73.9% 0.198 142.3);

Tailwind

colors: {
  custom: {
    50: '#8eda81',
    500: '#51c849',
    950: '#000000',
  },
}

SCSS

$custom: #51c849;
$custom-light: #8eda81;
$custom-dark: #000000;

JSON

{
  "hex": "#51c849",
  "rgb": {
    "r": 81,
    "g": 200,
    "b": 73
  },
  "hsl": {
    "h": 116.22,
    "s": 53.586,
    "l": 53.529
  },
  "oklch": {
    "l": 0.73874,
    "c": 0.19812,
    "h": 142.3
  },
  "luminance": 0.43539
}

Semantic roles & 50–950 ramp

primary

#51C849

secondary

#CE9BD2

accent

#4BDDD4

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51C849

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

Preview Lab → · Contrast checker → · Palette generator →