#51D889#51D889

#51D889 is a light, vivid green. Relative luminance 0.527; OKLCH L 78.9% C 0.163 H 154.2°. Best body text is #000000 at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#51D889
RGB	rgb(81, 216, 137)
HSL	hsl(145, 63%, 58%)
HSV	hsv(145, 63%, 85%)
CMYK	cmyk(62.5%, 0%, 36.6%, 15.3%)
CIE-LAB	lab(77.68, -54.28, 28.38)
CIE-LCH	lch(77.68, 61.25, 152.40°)
OKLab	oklab(78.89% -0.147 0.0711)
OKLCH	oklch(78.89% 0.163 154.2)
XYZ	xyz(32.4618, 52.6639, 32.1165)
Luminance	0.5267 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D889 #D851A0

analogous

#5CD851 #51D889 #51D8CC

triadic

#51D889 #8951D8 #D88951

tetradic

#51D889 #515CD8 #D851A0 #D8CC51

square

#51D889 #515CD8 #D851A0 #D8CC51

split-complementary

#51D889 #CC51D8 #D8515C

monochromatic

#208F4E #2BC169 #51D889 #83E3AB #B5EECD

Accessibility & contrast

On white

1.82

#51D889 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.53

#51D889 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D889

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D889	#FFFFFF	#000000	##000000
##51D889	1.00	1.82	11.53	11.53
#FFFFFF	1.82	1.00	21.00	21.00
#000000	11.53	21.00	1.00	1.00
##000000	11.53	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C784

Deuteranopia (green-blind)

#C6BB8E

Tritanopia (blue-blind)

#12D6C4

Achromatopsia (no color)

#C0C0C0

Design tokens & code

CSS

--color: #51d889;
/* rgb */ color: rgb(81, 216, 137);
/* oklch */ color: oklch(78.9% 0.163 154.2);

Tailwind

colors: {
  custom: {
    50: '#8fe5ac',
    500: '#51d889',
    950: '#000000',
  },
}

SCSS

$custom: #51d889;
$custom-light: #8fe5ac;
$custom-dark: #000000;

JSON

{
  "hex": "#51d889",
  "rgb": {
    "r": 81,
    "g": 216,
    "b": 137
  },
  "hsl": {
    "h": 144.889,
    "s": 63.38,
    "l": 58.235
  },
  "oklch": {
    "l": 0.78888,
    "c": 0.16327,
    "h": 154.2
  },
  "luminance": 0.52667
}

Semantic roles & 50–950 ramp

primary

#51D889

secondary

#94396E

accent

#41A2E6

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D889

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

Preview Lab → · Contrast checker → · Palette generator →