#51D690#51D690

#51D690 is a light, vivid green. Relative luminance 0.519; OKLCH L 78.5% C 0.154 H 156.8°. Best body text is #000000 at 11.37:1 contrast (WCAG AA passes).

Color values

HEX	#51D690
RGB	rgb(81, 214, 144)
HSL	hsl(148, 62%, 58%)
HSV	hsv(148, 62%, 84%)
CMYK	cmyk(62.1%, 0%, 32.7%, 16.1%)
CIE-LAB	lab(77.19, -52.16, 24.10)
CIE-LCH	lch(77.19, 57.46, 155.20°)
OKLab	oklab(78.53% -0.1418 0.0608)
OKLCH	oklch(78.53% 0.154 156.8)
XYZ	xyz(32.4711, 51.8528, 34.6775)
Luminance	0.5186 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D690 #D65197

analogous

#55D651 #51D690 #51D6D2

triadic

#51D690 #9051D6 #D69051

tetradic

#51D690 #5155D6 #D65197 #D6D251

square

#51D690 #5155D6 #D65197 #D6D251

split-complementary

#51D690 #D251D6 #D65155

monochromatic

#218C53 #2DBD71 #51D690 #83E2B0 #B4EDCF

Accessibility & contrast

On white

1.85

#51D690 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.37

#51D690 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D690

11.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D690	#FFFFFF	#000000	##000000
##51D690	1.00	1.85	11.37	11.37
#FFFFFF	1.85	1.00	21.00	21.00
#000000	11.37	21.00	1.00	1.00
##000000	11.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D5C68C

Deuteranopia (green-blind)

#C3BA94

Tritanopia (blue-blind)

#06D4C4

Achromatopsia (no color)

#BFBFBF

Design tokens & code

CSS

--color: #51d690;
/* rgb */ color: rgb(81, 214, 144);
/* oklch */ color: oklch(78.5% 0.154 156.8);

Tailwind

colors: {
  custom: {
    50: '#8fe3b1',
    500: '#51d690',
    950: '#000000',
  },
}

SCSS

$custom: #51d690;
$custom-light: #8fe3b1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d690",
  "rgb": {
    "r": 81,
    "g": 214,
    "b": 144
  },
  "hsl": {
    "h": 148.421,
    "s": 61.86,
    "l": 57.843
  },
  "oklch": {
    "l": 0.78532,
    "c": 0.15428,
    "h": 156.8
  },
  "luminance": 0.51856
}

Semantic roles & 50–950 ramp

primary

#51D690

secondary

#923A68

accent

#4398E5

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D690

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

Preview Lab → · Contrast checker → · Palette generator →