#51E08F#51E08F

#51E08F is a light, vivid green. Relative luminance 0.570; OKLCH L 81.0% C 0.168 H 154.8°. Best body text is #000000 at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#51E08F
RGB	rgb(81, 224, 143)
HSL	hsl(146, 70%, 60%)
HSV	hsv(146, 64%, 88%)
CMYK	cmyk(63.8%, 0%, 36.2%, 12.2%)
CIE-LAB	lab(80.20, -56.27, 28.67)
CIE-LCH	lch(80.20, 63.15, 153.00°)
OKLab	oklab(81% -0.1524 0.0719)
OKLCH	oklch(81% 0.168 154.8)
XYZ	xyz(35.0039, 57.0402, 35.1464)
Luminance	0.5704 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E08F #E051A2

analogous

#5BE051 #51E08F #51E0D7

triadic

#51E08F #8F51E0 #E08F51

tetradic

#51E08F #515BE0 #E051A2 #E0D751

square

#51E08F #515BE0 #E051A2 #E0D751

split-complementary

#51E08F #D751E0 #E0515B

monochromatic

#1C9B53 #25CF6F #51E08F #85E9B0 #B9F3D2

Accessibility & contrast

On white

1.69

#51E08F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.41

#51E08F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E08F

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E08F	#FFFFFF	#000000	##000000
##51E08F	1.00	1.69	12.41	12.41
#FFFFFF	1.69	1.00	21.00	21.00
#000000	12.41	21.00	1.00	1.00
##000000	12.41	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFCF8A

Deuteranopia (green-blind)

#CDC294

Tritanopia (blue-blind)

#00DECB

Achromatopsia (no color)

#C7C7C7

Design tokens & code

CSS

--color: #51e08f;
/* rgb */ color: rgb(81, 224, 143);
/* oklch */ color: oklch(81.0% 0.168 154.8);

Tailwind

colors: {
  custom: {
    50: '#90ebb0',
    500: '#51e08f',
    950: '#000000',
  },
}

SCSS

$custom: #51e08f;
$custom-light: #90ebb0;
$custom-dark: #000000;

JSON

{
  "hex": "#51e08f",
  "rgb": {
    "r": 81,
    "g": 224,
    "b": 143
  },
  "hsl": {
    "h": 146.014,
    "s": 69.756,
    "l": 59.804
  },
  "oklch": {
    "l": 0.80997,
    "c": 0.16848,
    "h": 154.8
  },
  "luminance": 0.57044
}

Semantic roles & 50–950 ramp

primary

#51E08F

secondary

#9F3772

accent

#3BA0ED

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E08F

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

Preview Lab → · Contrast checker → · Palette generator →