#51D887#51D887

#51D887 is a light, vivid green. Relative luminance 0.526; OKLCH L 78.8% C 0.165 H 153.6°. Best body text is #000000 at 11.52:1 contrast (WCAG AA passes).

Color values

HEX	#51D887
RGB	rgb(81, 216, 135)
HSL	hsl(144, 63%, 58%)
HSV	hsv(144, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 37.5%, 15.3%)
CIE-LAB	lab(77.64, -54.64, 29.36)
CIE-LCH	lch(77.64, 62.03, 151.75°)
OKLab	oklab(78.85% -0.1479 0.0734)
OKLCH	oklch(78.85% 0.165 153.6)
XYZ	xyz(32.3197, 52.6070, 31.3679)
Luminance	0.5261 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D887 #D851A2

analogous

#5ED851 #51D887 #51D8CA

triadic

#51D887 #8751D8 #D88751

tetradic

#51D887 #515ED8 #D851A2 #D8CA51

square

#51D887 #515ED8 #D851A2 #D8CA51

split-complementary

#51D887 #CA51D8 #D8515E

monochromatic

#208F4C #2BC167 #51D887 #83E3A9 #B5EECC

Accessibility & contrast

On white

1.82

#51D887 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.52

#51D887 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D887

11.52:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D887	#FFFFFF	#000000	##000000
##51D887	1.00	1.82	11.52	11.52
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.52	21.00	1.00	1.00
##000000	11.52	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C782

Deuteranopia (green-blind)

#C6BB8C

Tritanopia (blue-blind)

#15D5C3

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d887;
/* rgb */ color: rgb(81, 216, 135);
/* oklch */ color: oklch(78.8% 0.165 153.6);

Tailwind

colors: {
  custom: {
    50: '#8fe5aa',
    500: '#51d887',
    950: '#000000',
  },
}

SCSS

$custom: #51d887;
$custom-light: #8fe5aa;
$custom-dark: #000000;

JSON

{
  "hex": "#51d887",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 135
  },
  "hsl": {
    "h": 144,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78849,
    "c": 0.16509,
    "h": 153.6
  },
  "luminance": 0.5261
}

Semantic roles & 50–950 ramp

primary

#51D887

secondary

#943970

accent

#41A4E6

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D887

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

Preview Lab → · Contrast checker → · Palette generator →