#51C949#51C949

#51C949 is a light, vivid green. Relative luminance 0.440; OKLCH L 74.1% C 0.199 H 142.3°. Best body text is #000000 at 9.80:1 contrast (WCAG AA passes).

Color values

HEX	#51C949
RGB	rgb(81, 201, 73)
HSL	hsl(116, 54%, 54%)
HSV	hsv(116, 64%, 79%)
CMYK	cmyk(59.7%, 0%, 63.7%, 21.2%)
CIE-LAB	lab(72.23, -57.90, 52.51)
CIE-LCH	lch(72.23, 78.16, 137.79°)
OKLab	oklab(74.13% -0.1577 0.1219)
OKLCH	oklch(74.13% 0.199 142.3)
XYZ	xyz(25.4812, 44.0013, 13.4523)
Luminance	0.4400 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C949 #C149C9

analogous

#91C949 #51C949 #49C981

triadic

#51C949 #4951C9 #C94951

tetradic

#51C949 #4991C9 #C149C9 #C98149

square

#51C949 #4991C9 #C149C9 #C98149

split-complementary

#51C949 #8149C9 #C94991

monochromatic

#287523 #38A431 #51C949 #7ED778 #ABE5A7

Accessibility & contrast

On white

2.14

#51C949 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.80

#51C949 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C949

9.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C949	#FFFFFF	#000000	##000000
##51C949	1.00	2.14	9.80	9.80
#FFFFFF	2.14	1.00	21.00	21.00
#000000	9.80	21.00	1.00	1.00
##000000	9.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CDB73A

Deuteranopia (green-blind)

#BEAD54

Tritanopia (blue-blind)

#3DC3AE

Achromatopsia (no color)

#B1B1B1

Design tokens & code

CSS

--color: #51c949;
/* rgb */ color: rgb(81, 201, 73);
/* oklch */ color: oklch(74.1% 0.199 142.3);

Tailwind

colors: {
  custom: {
    50: '#8eda81',
    500: '#51c949',
    950: '#000000',
  },
}

SCSS

$custom: #51c949;
$custom-light: #8eda81;
$custom-dark: #000000;

JSON

{
  "hex": "#51c949",
  "rgb": {
    "r": 81,
    "g": 201,
    "b": 73
  },
  "hsl": {
    "h": 116.25,
    "s": 54.237,
    "l": 53.725
  },
  "oklch": {
    "l": 0.74132,
    "c": 0.19934,
    "h": 142.3
  },
  "luminance": 0.44004
}

Semantic roles & 50–950 ramp

primary

#51C949

secondary

#CF9CD2

accent

#4ADED4

background

#F9FDF8

surface

#F2FBEF

border

#CCD4CA

text

#0D150B

muted

#7E837C

Preview Lab

Preview with #51C949

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

Preview Lab → · Contrast checker → · Palette generator →