#51D993#51D993

#51D993 is a light, vivid green. Relative luminance 0.535; OKLCH L 79.3% C 0.156 H 157.2°. Best body text is #000000 at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#51D993
RGB	rgb(81, 217, 147)
HSL	hsl(149, 64%, 58%)
HSV	hsv(149, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 32.3%, 14.9%)
CIE-LAB	lab(78.16, -52.77, 23.84)
CIE-LCH	lch(78.16, 57.90, 155.68°)
OKLab	oklab(79.34% -0.1435 0.0602)
OKLCH	oklch(79.34% 0.156 157.2)
XYZ	xyz(33.4696, 53.4782, 36.1566)
Luminance	0.5348 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D993 #D95197

analogous

#53D951 #51D993 #51D9D7

triadic

#51D993 #9351D9 #D99351

tetradic

#51D993 #5153D9 #D95197 #D9D751

square

#51D993 #5153D9 #D95197 #D9D751

split-complementary

#51D993 #D751D9 #D95153

monochromatic

#1F9056 #2AC274 #51D993 #83E4B2 #B5EFD1

Accessibility & contrast

On white

1.80

#51D993 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.70

#51D993 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D993

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D993	#FFFFFF	#000000	##000000
##51D993	1.00	1.80	11.70	11.70
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.70	21.00	1.00	1.00
##000000	11.70	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C98F

Deuteranopia (green-blind)

#C5BC97

Tritanopia (blue-blind)

#00D7C7

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d993;
/* rgb */ color: rgb(81, 217, 147);
/* oklch */ color: oklch(79.3% 0.156 157.2);

Tailwind

colors: {
  custom: {
    50: '#8fe6b3',
    500: '#51d993',
    950: '#000000',
  },
}

SCSS

$custom: #51d993;
$custom-light: #8fe6b3;
$custom-dark: #000000;

JSON

{
  "hex": "#51d993",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 147
  },
  "hsl": {
    "h": 149.118,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.7934,
    "c": 0.15564,
    "h": 157.2
  },
  "luminance": 0.53482
}

Semantic roles & 50–950 ramp

primary

#51D993

secondary

#953968

accent

#4196E7

background

#FCFEFD

surface

#F5FCF8

border

#CFD5D1

text

#0E1611

muted

#7F8481

Preview Lab

Preview with #51D993

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

Preview Lab → · Contrast checker → · Palette generator →