#51D590#51D590

#51D590 is a light, vivid green. Relative luminance 0.514; OKLCH L 78.3% C 0.153 H 157.0°. Best body text is #000000 at 11.27:1 contrast (WCAG AA passes).

Color values

HEX	#51D590
RGB	rgb(81, 213, 144)
HSL	hsl(149, 61%, 58%)
HSV	hsv(149, 62%, 84%)
CMYK	cmyk(62%, 0%, 32.4%, 16.5%)
CIE-LAB	lab(76.89, -51.76, 23.68)
CIE-LCH	lch(76.89, 56.92, 155.41°)
OKLab	oklab(78.28% -0.1408 0.0598)
OKLCH	oklch(78.28% 0.153 157)
XYZ	xyz(32.2188, 51.3482, 34.5934)
Luminance	0.5135 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D590 #D55196

analogous

#54D551 #51D590 #51D5D2

triadic

#51D590 #9051D5 #D59051

tetradic

#51D590 #5154D5 #D55196 #D5D251

square

#51D590 #5154D5 #D55196 #D5D251

split-complementary

#51D590 #D251D5 #D55154

monochromatic

#218A53 #2DBC71 #51D590 #82E1AF #B4EDCF

Accessibility & contrast

On white

1.86

#51D590 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.27

#51D590 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D590

11.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D590	#FFFFFF	#000000	##000000
##51D590	1.00	1.86	11.27	11.27
#FFFFFF	1.86	1.00	21.00	21.00
#000000	11.27	21.00	1.00	1.00
##000000	11.27	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4C58C

Deuteranopia (green-blind)

#C2B994

Tritanopia (blue-blind)

#08D3C3

Achromatopsia (no color)

#BEBEBE

Design tokens & code

CSS

--color: #51d590;
/* rgb */ color: rgb(81, 213, 144);
/* oklch */ color: oklch(78.3% 0.153 157.0);

Tailwind

colors: {
  custom: {
    50: '#8fe3b1',
    500: '#51d590',
    950: '#000000',
  },
}

SCSS

$custom: #51d590;
$custom-light: #8fe3b1;
$custom-dark: #000000;

JSON

{
  "hex": "#51d590",
  "rgb": {
    "r": 81,
    "g": 213,
    "b": 144
  },
  "hsl": {
    "h": 148.636,
    "s": 61.111,
    "l": 57.647
  },
  "oklch": {
    "l": 0.78283,
    "c": 0.15295,
    "h": 157
  },
  "luminance": 0.51351
}

Semantic roles & 50–950 ramp

primary

#51D590

secondary

#903A67

accent

#4498E4

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0D1510

muted

#7F8481

Preview Lab

Preview with #51D590

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

Preview Lab → · Contrast checker → · Palette generator →