#51E687#51E687

#51E687 is a very light, vivid green. Relative luminance 0.601; OKLCH L 82.3% C 0.184 H 151.9°. Best body text is #000000 at 13.02:1 contrast (WCAG AA passes).

Color values

HEX	#51E687
RGB	rgb(81, 230, 135)
HSL	hsl(142, 75%, 61%)
HSV	hsv(142, 65%, 90%)
CMYK	cmyk(64.8%, 0%, 41.3%, 9.8%)
CIE-LAB	lab(81.89, -59.96, 34.95)
CIE-LCH	lch(81.89, 69.40, 149.76°)
OKLab	oklab(82.34% -0.1618 0.0866)
OKLCH	oklch(82.34% 0.184 151.9)
XYZ	xyz(36.0604, 60.0884, 32.6148)
Luminance	0.6009 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E687 #E651B0

analogous

#65E651 #51E687 #51E6D1

triadic

#51E687 #8751E6 #E68751

tetradic

#51E687 #5165E6 #E651B0 #E6D151

square

#51E687 #5165E6 #E651B0 #E6D151

split-complementary

#51E687 #D151E6 #E65165

monochromatic

#18A54B #1FDA63 #51E687 #87EEAC #BCF5D1

Accessibility & contrast

On white

1.61

#51E687 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

13.02

#51E687 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E687

13.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E687	#FFFFFF	#000000	##000000
##51E687	1.00	1.61	13.02	13.02
#FFFFFF	1.61	1.00	21.00	21.00
#000000	13.02	21.00	1.00	1.00
##000000	13.02	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E7D480

Deuteranopia (green-blind)

#D4C68D

Tritanopia (blue-blind)

#00E3CF

Achromatopsia (no color)

#CCCCCC

Design tokens & code

CSS

--color: #51e687;
/* rgb */ color: rgb(81, 230, 135);
/* oklch */ color: oklch(82.3% 0.184 151.9);

Tailwind

colors: {
  custom: {
    50: '#91efab',
    500: '#51e687',
    950: '#000000',
  },
}

SCSS

$custom: #51e687;
$custom-light: #91efab;
$custom-dark: #000000;

JSON

{
  "hex": "#51e687",
  "rgb": {
    "r": 81,
    "g": 230,
    "b": 135
  },
  "hsl": {
    "h": 141.745,
    "s": 74.874,
    "l": 60.98
  },
  "oklch": {
    "l": 0.8234,
    "c": 0.18354,
    "h": 151.9
  },
  "luminance": 0.60092
}

Semantic roles & 50–950 ramp

primary

#51E687

secondary

#A7347D

accent

#0E8ED7

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1710

muted

#7F8581

Preview Lab

Preview with #51E687

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

Preview Lab → · Contrast checker → · Palette generator →