#51E55A#51E55A

#51E55A is a light, highly saturated green. Relative luminance 0.585; OKLCH L 81.5% C 0.220 H 144.1°. Best body text is #000000 at 12.71:1 contrast (WCAG AA passes).

Color values

HEX	#51E55A
RGB	rgb(81, 229, 90)
HSL	hsl(124, 74%, 61%)
HSV	hsv(124, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 60.7%, 10.2%)
CIE-LAB	lab(81.03, -65.90, 55.11)
CIE-LCH	lch(81.03, 85.90, 140.09°)
OKLab	oklab(81.45% -0.1786 0.1291)
OKLCH	oklch(81.45% 0.22 144.1)
XYZ	xyz(33.2561, 58.5227, 19.2143)
Luminance	0.5853 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E55A #E551DC

analogous

#92E551 #51E55A #51E5A4

triadic

#51E55A #5A51E5 #E55A51

tetradic

#51E55A #5192E5 #E551DC #E5A451

square

#51E55A #5192E5 #E551DC #E5A451

split-complementary

#51E55A #A451E5 #E55192

monochromatic

#18A321 #20D82C #51E55A #86ED8C #BBF5BF

Accessibility & contrast

On white

1.65

#51E55A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.71

#51E55A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E55A

12.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E55A	#FFFFFF	#000000	##000000
##51E55A	1.00	1.65	12.71	12.71
#FFFFFF	1.65	1.00	21.00	21.00
#000000	12.71	21.00	1.00	1.00
##000000	12.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E9D14B

Deuteranopia (green-blind)

#D7C466

Tritanopia (blue-blind)

#2CDFC7

Achromatopsia (no color)

#C9C9C9

Design tokens & code

CSS

--color: #51e55a;
/* rgb */ color: rgb(81, 229, 90);
/* oklch */ color: oklch(81.5% 0.220 144.1);

Tailwind

colors: {
  custom: {
    50: '#93ee8d',
    500: '#51e55a',
    950: '#000000',
  },
}

SCSS

$custom: #51e55a;
$custom-light: #93ee8d;
$custom-dark: #000000;

JSON

{
  "hex": "#51e55a",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 90
  },
  "hsl": {
    "h": 123.649,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.81452,
    "c": 0.22035,
    "h": 144.1
  },
  "luminance": 0.58526
}

Semantic roles & 50–950 ramp

primary

#51E55A

secondary

#A6359F

accent

#0FCAD6

background

#FCFFFC

surface

#F5FEF4

border

#CFD6CE

text

#0E170C

muted

#7F857F

Preview Lab

Preview with #51E55A

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

Preview Lab → · Contrast checker → · Palette generator →