#51C574#51C574

#51C574 is a light, vivid green. Relative luminance 0.429; OKLCH L 73.7% C 0.157 H 150.6°. Best body text is #000000 at 9.59:1 contrast (WCAG AA passes).

Color values

HEX	#51C574
RGB	rgb(81, 197, 116)
HSL	hsl(138, 50%, 55%)
HSV	hsv(138, 59%, 77%)
CMYK	cmyk(58.9%, 0%, 41.1%, 22.7%)
CIE-LAB	lab(71.51, -50.53, 31.07)
CIE-LCH	lch(71.51, 59.32, 148.41°)
OKLab	oklab(73.71% -0.1367 0.077)
OKLCH	oklch(73.71% 0.157 150.6)
XYZ	xyz(26.5100, 42.9403, 23.4109)
Luminance	0.4294 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C574 #C551A2

analogous

#68C551 #51C574 #51C5AE

triadic

#51C574 #7451C5 #C57451

tetradic

#51C574 #5168C5 #C551A2 #C5AE51

square

#51C574 #5168C5 #C551A2 #C5AE51

split-complementary

#51C574 #AE51C5 #C55168

monochromatic

#27753E #36A357 #51C574 #7FD499 #ADE4BD

Accessibility & contrast

On white

2.19

#51C574 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.59

#51C574 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C574

9.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C574	#FFFFFF	#000000	##000000
##51C574	1.00	2.19	9.59	9.59
#FFFFFF	2.19	1.00	21.00	21.00
#000000	9.59	21.00	1.00	1.00
##000000	9.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C6B66E

Deuteranopia (green-blind)

#B7AB79

Tritanopia (blue-blind)

#30C2B1

Achromatopsia (no color)

#AFAFAF

Design tokens & code

CSS

--color: #51c574;
/* rgb */ color: rgb(81, 197, 116);
/* oklch */ color: oklch(73.7% 0.157 150.6);

Tailwind

colors: {
  custom: {
    50: '#8cd79d',
    500: '#51c574',
    950: '#000000',
  },
}

SCSS

$custom: #51c574;
$custom-light: #8cd79d;
$custom-dark: #000000;

JSON

{
  "hex": "#51c574",
  "rgb": {
    "r": 81,
    "g": 197,
    "b": 116
  },
  "hsl": {
    "h": 138.103,
    "s": 50,
    "l": 54.51
  },
  "oklch": {
    "l": 0.73714,
    "c": 0.15689,
    "h": 150.6
  },
  "luminance": 0.42943
}

Semantic roles & 50–950 ramp

primary

#51C574

secondary

#D1A0C3

accent

#4EB0DA

background

#F9FDF9

surface

#F1FAF2

border

#CBD3CC

text

#0D140E

muted

#7E837E

Preview Lab

Preview with #51C574

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

Preview Lab → · Contrast checker → · Palette generator →