#51E198#51E198

#51E198 is a light, vivid green. Relative luminance 0.579; OKLCH L 81.4% C 0.162 H 157.4°. Best body text is #000000 at 12.57:1 contrast (WCAG AA passes).

Color values

HEX	#51E198
RGB	rgb(81, 225, 152)
HSL	hsl(150, 71%, 60%)
HSV	hsv(150, 64%, 88%)
CMYK	cmyk(64%, 0%, 32.4%, 11.8%)
CIE-LAB	lab(80.66, -54.94, 24.66)
CIE-LCH	lch(80.66, 60.22, 155.83°)
OKLab	oklab(81.43% -0.1493 0.0623)
OKLCH	oklch(81.43% 0.162 157.4)
XYZ	xyz(35.9828, 57.8630, 38.9720)
Luminance	0.5787 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E198 #E1519A

analogous

#52E151 #51E198 #51E1E0

triadic

#51E198 #9851E1 #E19851

tetradic

#51E198 #5152E1 #E1519A #E1E051

square

#51E198 #5152E1 #E1519A #E1E051

split-complementary

#51E198 #E051E1 #E15152

monochromatic

#1B9D5B #24D179 #51E198 #85EAB7 #B9F3D6

Accessibility & contrast

On white

1.67

#51E198 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.57

#51E198 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E198

12.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E198	#FFFFFF	#000000	##000000
##51E198	1.00	1.67	12.57	12.57
#FFFFFF	1.67	1.00	21.00	21.00
#000000	12.57	21.00	1.00	1.00
##000000	12.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DFD093

Deuteranopia (green-blind)

#CCC39D

Tritanopia (blue-blind)

#00DFCE

Achromatopsia (no color)

#C8C8C8

Design tokens & code

CSS

--color: #51e198;
/* rgb */ color: rgb(81, 225, 152);
/* oklch */ color: oklch(81.4% 0.162 157.4);

Tailwind

colors: {
  custom: {
    50: '#90ebb6',
    500: '#51e198',
    950: '#000000',
  },
}

SCSS

$custom: #51e198;
$custom-light: #90ebb6;
$custom-dark: #000000;

JSON

{
  "hex": "#51e198",
  "rgb": {
    "r": 81,
    "g": 225,
    "b": 152
  },
  "hsl": {
    "h": 149.583,
    "s": 70.588,
    "l": 60
  },
  "oklch": {
    "l": 0.81427,
    "c": 0.16181,
    "h": 157.4
  },
  "luminance": 0.57867
}

Semantic roles & 50–950 ramp

primary

#51E198

secondary

#A0366C

accent

#3A95ED

background

#FCFFFD

surface

#F5FEF8

border

#CFD6D1

text

#0E1611

muted

#7F8581

Preview Lab

Preview with #51E198

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

Preview Lab → · Contrast checker → · Palette generator →