#51D98F#51D98F

#51D98F is a light, vivid green. Relative luminance 0.534; OKLCH L 79.3% C 0.159 H 155.9°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#51D98F
RGB	rgb(81, 217, 143)
HSL	hsl(147, 64%, 58%)
HSV	hsv(147, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 34.1%, 14.9%)
CIE-LAB	lab(78.08, -53.54, 25.82)
CIE-LCH	lch(78.08, 59.44, 154.25°)
OKLab	oklab(79.26% -0.1453 0.065)
OKLCH	oklch(79.26% 0.159 155.9)
XYZ	xyz(33.1612, 53.3548, 34.5322)
Luminance	0.5336 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D98F #D9519B

analogous

#57D951 #51D98F #51D9D3

triadic

#51D98F #8F51D9 #D98F51

tetradic

#51D98F #5157D9 #D9519B #D9D351

square

#51D98F #5157D9 #D9519B #D9D351

split-complementary

#51D98F #D351D9 #D95157

monochromatic

#1F9053 #2AC270 #51D98F #83E4AF #B5EFD0

Accessibility & contrast

On white

1.80

#51D98F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#51D98F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D98F

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D98F	#FFFFFF	#000000	##000000
##51D98F	1.00	1.80	11.67	11.67
#FFFFFF	1.80	1.00	21.00	21.00
#000000	11.67	21.00	1.00	1.00
##000000	11.67	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D8C98A

Deuteranopia (green-blind)

#C6BC94

Tritanopia (blue-blind)

#03D7C6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d98f;
/* rgb */ color: rgb(81, 217, 143);
/* oklch */ color: oklch(79.3% 0.159 155.9);

Tailwind

colors: {
  custom: {
    50: '#8fe6b0',
    500: '#51d98f',
    950: '#000000',
  },
}

SCSS

$custom: #51d98f;
$custom-light: #8fe6b0;
$custom-dark: #000000;

JSON

{
  "hex": "#51d98f",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 143
  },
  "hsl": {
    "h": 147.353,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79257,
    "c": 0.15919,
    "h": 155.9
  },
  "luminance": 0.53358
}

Semantic roles & 50–950 ramp

primary

#51D98F

secondary

#95396B

accent

#419BE7

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D98F

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

Preview Lab → · Contrast checker → · Palette generator →