#51D577#51D577

#51D577 is a light, vivid green. Relative luminance 0.507; OKLCH L 77.8% C 0.176 H 149.8°. Best body text is #000000 at 11.13:1 contrast (WCAG AA passes).

Color values

HEX	#51D577
RGB	rgb(81, 213, 119)
HSL	hsl(137, 61%, 58%)
HSV	hsv(137, 62%, 84%)
CMYK	cmyk(62%, 0%, 44.1%, 16.5%)
CIE-LAB	lab(76.48, -56.24, 35.97)
CIE-LCH	lch(76.48, 66.76, 147.40°)
OKLab	oklab(77.81% -0.1519 0.0884)
OKLCH	oklch(77.81% 0.176 149.8)
XYZ	xyz(30.5151, 50.6667, 25.6207)
Luminance	0.5067 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D577 #D551AF

analogous

#6DD551 #51D577 #51D5B9

triadic

#51D577 #7751D5 #D57751

tetradic

#51D577 #516DD5 #D551AF #D5B951

square

#51D577 #516DD5 #D551AF #D5B951

split-complementary

#51D577 #B951D5 #D5516D

monochromatic

#218A40 #2DBC56 #51D577 #82E19E #B4EDC4

Accessibility & contrast

On white

1.89

#51D577 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.13

#51D577 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D577

11.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D577	#FFFFFF	#000000	##000000
##51D577	1.00	1.89	11.13	11.13
#FFFFFF	1.89	1.00	21.00	21.00
#000000	11.13	21.00	1.00	1.00
##000000	11.13	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D6C470

Deuteranopia (green-blind)

#C5B87D

Tritanopia (blue-blind)

#26D1BE

Achromatopsia (no color)

#BDBDBD

Design tokens & code

CSS

--color: #51d577;
/* rgb */ color: rgb(81, 213, 119);
/* oklch */ color: oklch(77.8% 0.176 149.8);

Tailwind

colors: {
  custom: {
    50: '#8fe39f',
    500: '#51d577',
    950: '#000000',
  },
}

SCSS

$custom: #51d577;
$custom-light: #8fe39f;
$custom-dark: #000000;

JSON

{
  "hex": "#51d577",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 119
  },
  "hsl": {
    "h": 137.273,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.77808,
    "c": 0.17574,
    "h": 149.8
  },
  "luminance": 0.5067
}

Semantic roles & 50–950 ramp

primary

#51D577

secondary

#903A77

accent

#44B6E4

background

#FCFEFC

surface

#F5FCF5

border

#CFD5CF

text

#0E150F

muted

#7F8480

Preview Lab

Preview with #51D577

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

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