#51E585#51E585

#51E585 is a very light, vivid green. Relative luminance 0.595; OKLCH L 82.1% C 0.184 H 151.5°. Best body text is #000000 at 12.90:1 contrast (WCAG AA passes).

Color values

HEX	#51E585
RGB	rgb(81, 229, 133)
HSL	hsl(141, 74%, 61%)
HSV	hsv(141, 65%, 90%)
CMYK	cmyk(64.6%, 0%, 41.9%, 10.2%)
CIE-LAB	lab(81.55, -59.92, 35.52)
CIE-LCH	lch(81.55, 69.66, 149.34°)
OKLab	oklab(82.06% -0.1617 0.0878)
OKLCH	oklch(82.06% 0.184 151.5)
XYZ	xyz(35.6434, 59.4777, 31.7877)
Luminance	0.5948 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51E585 #E551B1

analogous

#67E551 #51E585 #51E5CF

triadic

#51E585 #8551E5 #E58551

tetradic

#51E585 #5167E5 #E551B1 #E5CF51

square

#51E585 #5167E5 #E551B1 #E5CF51

split-complementary

#51E585 #CF51E5 #E55167

monochromatic

#18A349 #20D861 #51E585 #86EDAA #BBF5D0

Accessibility & contrast

On white

1.63

#51E585 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.90

#51E585 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51E585

12.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51E585	#FFFFFF	#000000	##000000
##51E585	1.00	1.63	12.90	12.90
#FFFFFF	1.63	1.00	21.00	21.00
#000000	12.90	21.00	1.00	1.00
##000000	12.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#E6D37E

Deuteranopia (green-blind)

#D3C58B

Tritanopia (blue-blind)

#04E2CD

Achromatopsia (no color)

#CBCBCB

Design tokens & code

CSS

--color: #51e585;
/* rgb */ color: rgb(81, 229, 133);
/* oklch */ color: oklch(82.1% 0.184 151.5);

Tailwind

colors: {
  custom: {
    50: '#91eea9',
    500: '#51e585',
    950: '#000000',
  },
}

SCSS

$custom: #51e585;
$custom-light: #91eea9;
$custom-dark: #000000;

JSON

{
  "hex": "#51e585",
  "rgb": {
    "r": 81,
    "g": 229,
    "b": 133
  },
  "hsl": {
    "h": 141.081,
    "s": 74,
    "l": 60.784
  },
  "oklch": {
    "l": 0.82056,
    "c": 0.18404,
    "h": 151.5
  },
  "luminance": 0.59481
}

Semantic roles & 50–950 ramp

primary

#51E585

secondary

#A6357E

accent

#0F90D6

background

#FCFFFD

surface

#F5FEF7

border

#CFD6D0

text

#0E1610

muted

#7F8581

Preview Lab

Preview with #51E585

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

Preview Lab → · Contrast checker → · Palette generator →