#51EE9A#51EE9A

#51EE9A is a very light, vivid green. Relative luminance 0.652; OKLCH L 84.7% C 0.177 H 155.7°. Best body text is #000000 at 14.05:1 contrast (WCAG AA passes).

Color values

HEX	#51EE9A
RGB	rgb(81, 238, 154)
HSL	hsl(148, 82%, 63%)
HSV	hsv(148, 66%, 93%)
CMYK	cmyk(66%, 0%, 35.3%, 6.7%)
CIE-LAB	lab(84.60, -59.56, 28.96)
CIE-LCH	lch(84.60, 66.23, 154.07°)
OKLab	oklab(84.67% -0.1613 0.0727)
OKLCH	oklch(84.67% 0.177 155.7)
XYZ	xyz(39.7970, 65.2272, 41.0583)
Luminance	0.6523 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51EE9A #EE51A5

analogous

#57EE51 #51EE9A #51EEE8

triadic

#51EE9A #9A51EE #EE9A51

tetradic

#51EE9A #5157EE #EE51A5 #EEE851

square

#51EE9A #5157EE #EE51A5 #EEE851

split-complementary

#51EE9A #E851EE #EE5157

monochromatic

#11B35D #19E97A #51EE9A #89F3BA #C1F9DB

Accessibility & contrast

On white

1.50

#51EE9A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

14.05

#51EE9A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51EE9A

14.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51EE9A	#FFFFFF	#000000	##000000
##51EE9A	1.00	1.50	14.05	14.05
#FFFFFF	1.50	1.00	21.00	21.00
#000000	14.05	21.00	1.00	1.00
##000000	14.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#EDDC95

Deuteranopia (green-blind)

#D9CD9F

Tritanopia (blue-blind)

#00ECD8

Achromatopsia (no color)

#D3D3D3

Design tokens & code

CSS

--color: #51ee9a;
/* rgb */ color: rgb(81, 238, 154);
/* oklch */ color: oklch(84.7% 0.177 155.7);

Tailwind

colors: {
  custom: {
    50: '#93f5b8',
    500: '#51ee9a',
    950: '#000000',
  },
}

SCSS

$custom: #51ee9a;
$custom-light: #93f5b8;
$custom-dark: #000000;

JSON

{
  "hex": "#51ee9a",
  "rgb": {
    "r": 81,
    "g": 238,
    "b": 154
  },
  "hsl": {
    "h": 147.898,
    "s": 82.199,
    "l": 62.549
  },
  "oklch": {
    "l": 0.84674,
    "c": 0.17697,
    "h": 155.7
  },
  "luminance": 0.65231
}

Semantic roles & 50–950 ramp

primary

#51EE9A

secondary

#B33076

accent

#077ADF

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1711

muted

#7F8581

Preview Lab

Preview with #51EE9A

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

Preview Lab → · Contrast checker → · Palette generator →