#51D98E#51D98E

#51D98E is a light, vivid green. Relative luminance 0.533; OKLCH L 79.2% C 0.160 H 155.6°. Best body text is #000000 at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#51D98E
RGB	rgb(81, 217, 142)
HSL	hsl(147, 64%, 58%)
HSV	hsv(147, 63%, 85%)
CMYK	cmyk(62.7%, 0%, 34.6%, 14.9%)
CIE-LAB	lab(78.07, -53.73, 26.32)
CIE-LCH	lch(78.07, 59.83, 153.90°)
OKLab	oklab(79.24% -0.1458 0.0662)
OKLCH	oklch(79.24% 0.16 155.6)
XYZ	xyz(33.0858, 53.3246, 34.1350)
Luminance	0.5333 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51D98E #D9519C

analogous

#58D951 #51D98E #51D9D2

triadic

#51D98E #8E51D9 #D98E51

tetradic

#51D98E #5158D9 #D9519C #D9D251

square

#51D98E #5158D9 #D9519C #D9D251

split-complementary

#51D98E #D251D9 #D95158

monochromatic

#1F9052 #2AC26F #51D98E #83E4AF #B5EFCF

Accessibility & contrast

On white

1.80

#51D98E on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

11.67

#51D98E on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51D98E

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51D98E	#FFFFFF	#000000	##000000
##51D98E	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)

#D8C989

Deuteranopia (green-blind)

#C6BC93

Tritanopia (blue-blind)

#06D7C6

Achromatopsia (no color)

#C1C1C1

Design tokens & code

CSS

--color: #51d98e;
/* rgb */ color: rgb(81, 217, 142);
/* oklch */ color: oklch(79.2% 0.160 155.6);

Tailwind

colors: {
  custom: {
    50: '#8fe6af',
    500: '#51d98e',
    950: '#000000',
  },
}

SCSS

$custom: #51d98e;
$custom-light: #8fe6af;
$custom-dark: #000000;

JSON

{
  "hex": "#51d98e",
  "rgb": {
    "r": 81,
    "g": 217,
    "b": 142
  },
  "hsl": {
    "h": 146.912,
    "s": 64.151,
    "l": 58.431
  },
  "oklch": {
    "l": 0.79237,
    "c": 0.16009,
    "h": 155.6
  },
  "luminance": 0.53328
}

Semantic roles & 50–950 ramp

primary

#51D98E

secondary

#95396C

accent

#419CE7

background

#FCFEFD

surface

#F5FCF7

border

#CFD5D0

text

#0E1610

muted

#7F8481

Preview Lab

Preview with #51D98E

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

Preview Lab → · Contrast checker → · Palette generator →