#51DE89#51DE89

#51DE89 is a light, vivid green. Relative luminance 0.558; OKLCH L 80.4% C 0.171 H 153.3°. Best body text is #000000 at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#51DE89
RGB	rgb(81, 222, 137)
HSL	hsl(144, 68%, 59%)
HSV	hsv(144, 64%, 87%)
CMYK	cmyk(63.5%, 0%, 38.3%, 12.9%)
CIE-LAB	lab(79.50, -56.59, 30.80)
CIE-LCH	lch(79.50, 64.43, 151.44°)
OKLab	oklab(80.38% -0.153 0.0768)
OKLCH	oklch(80.38% 0.171 153.3)
XYZ	xyz(34.0271, 55.7945, 32.6382)
Luminance	0.5580 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51DE89 #DE51A6

analogous

#60DE51 #51DE89 #51DED0

triadic

#51DE89 #8951DE #DE8951

tetradic

#51DE89 #5160DE #DE51A6 #DED051

square

#51DE89 #5160DE #DE51A6 #DED051

split-complementary

#51DE89 #D051DE #DE5160

monochromatic

#1D984E #27CB68 #51DE89 #84E8AC #B8F2CF

Accessibility & contrast

On white

1.73

#51DE89 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

12.16

#51DE89 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51DE89

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51DE89	#FFFFFF	#000000	##000000
##51DE89	1.00	1.73	12.16	12.16
#FFFFFF	1.73	1.00	21.00	21.00
#000000	12.16	21.00	1.00	1.00
##000000	12.16	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#DECD83

Deuteranopia (green-blind)

#CCC08F

Tritanopia (blue-blind)

#08DBC9

Achromatopsia (no color)

#C5C5C5

Design tokens & code

CSS

--color: #51de89;
/* rgb */ color: rgb(81, 222, 137);
/* oklch */ color: oklch(80.4% 0.171 153.3);

Tailwind

colors: {
  custom: {
    50: '#90e9ac',
    500: '#51de89',
    950: '#000000',
  },
}

SCSS

$custom: #51de89;
$custom-light: #90e9ac;
$custom-dark: #000000;

JSON

{
  "hex": "#51de89",
  "rgb": {
    "r": 81,
    "g": 222,
    "b": 137
  },
  "hsl": {
    "h": 143.83,
    "s": 68.116,
    "l": 59.412
  },
  "oklch": {
    "l": 0.80384,
    "c": 0.17125,
    "h": 153.3
  },
  "luminance": 0.55798
}

Semantic roles & 50–950 ramp

primary

#51DE89

secondary

#9C3774

accent

#3DA6EB

background

#FCFEFD

surface

#F5FDF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51DE89

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

Preview Lab → · Contrast checker → · Palette generator →