#51E57C#51E57C

#51E57C is a light, vivid green. Relative luminance 0.592; OKLCH L 81.9% C 0.192 H 149.5°. Best body text is #000000 at 12.85:1 contrast (WCAG AA passes).

Color values

HEX	#51E57C
RGB	rgb(81, 229, 124)
HSL	hsl(137, 74%, 61%)
HSV	hsv(137, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 45.9%, 10.2%)
CIE-LAB	lab(81.42, -61.38, 39.81)
CIE-LCH	lch(81.42, 73.16, 147.03°)
OKLab	oklab(81.91% -0.1655 0.0974)
OKLCH	oklch(81.91% 0.192 149.5)
XYZ	xyz(35.0481, 59.2395, 28.6522)
Luminance	0.5924 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E57C #E551BA

analogous

#70E551 #51E57C #51E5C6

triadic

#51E57C #7C51E5 #E57C51

tetradic

#51E57C #5170E5 #E551BA #E5C651

square

#51E57C #5170E5 #E551BA #E5C651

split-complementary

#51E57C #C651E5 #E55170

monochromatic

#18A341 #20D856 #51E57C #86EDA4 #BBF5CC

Accessibility & contrast

On white

1.63

#51E57C on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.85

#51E57C on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E57C

12.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E57C	#FFFFFF	#000000	##000000
##51E57C	1.00	1.63	12.85	12.85
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.85	21.00	1.00	1.00
##000000	12.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D274

Deuteranopia (green-blind)

#D4C583

Tritanopia (blue-blind)

#14E1CC

Achromatopsia (no color)

#CACACA

Design tokens & code

CSS

--color: #51e57c;
/* rgb */ color: rgb(81, 229, 124);
/* oklch */ color: oklch(81.9% 0.192 149.5);

Tailwind

colors: {
  custom: {
    50: '#91eea3',
    500: '#51e57c',
    950: '#000000',
  },
}

SCSS

$custom: #51e57c;
$custom-light: #91eea3;
$custom-dark: #000000;

JSON

{
  "hex": "#51e57c",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 124
  },
  "hsl": {
    "h": 137.432,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81906,
    "c": 0.19209,
    "h": 149.5
  },
  "luminance": 0.59243
}

Semantic roles & 50–950 ramp

primary

#51E57C

secondary

#A63585

accent

#0F9CD6

background

#FCFFFC

surface

#F5FEF6

border

#CFD6D0

text

#0E160F

muted

#7F8580

Preview Lab

Preview with #51E57C

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

Preview Lab → · Contrast checker → · Palette generator →