#51CB58#51CB58

#51CB58 is a light, vivid green. Relative luminance 0.452; OKLCH L 74.8% C 0.190 H 144.3°. Best body text is #000000 at 10.03:1 contrast (WCAG AA passes).

Color values

HEX	#51CB58
RGB	rgb(81, 203, 88)
HSL	hsl(123, 54%, 56%)
HSV	hsv(123, 60%, 80%)
CMYK	cmyk(60.1%, 0%, 56.7%, 20.4%)
CIE-LAB	lab(73.00, -56.94, 46.71)
CIE-LCH	lch(73.00, 73.65, 140.64°)
OKLab	oklab(74.82% -0.1544 0.1108)
OKLCH	oklch(74.82% 0.19 144.3)
XYZ	xyz(26.5092, 45.1633, 16.5510)
Luminance	0.4517 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CB58 #CB51C4

analogous

#87CB51 #51CB58 #51CB95

triadic

#51CB58 #5851CB #CB5851

tetradic

#51CB58 #5187CB #CB51C4 #CB9551

square

#51CB58 #5187CB #CB51C4 #CB9551

split-complementary

#51CB58 #9551CB #CB5187

monochromatic

#257C2A #33AC3A #51CB58 #80D985 #AFE7B2

Accessibility & contrast

On white

2.09

#51CB58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.03

#51CB58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CB58

10.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CB58	#FFFFFF	#000000	##000000
##51CB58	1.00	2.09	10.03	10.03
#FFFFFF	2.09	1.00	21.00	21.00
#000000	10.03	21.00	1.00	1.00
##000000	10.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CFBA4D

Deuteranopia (green-blind)

#BFAF61

Tritanopia (blue-blind)

#38C6B2

Achromatopsia (no color)

#B3B3B3

Design tokens & code

CSS

--color: #51cb58;
/* rgb */ color: rgb(81, 203, 88);
/* oklch */ color: oklch(74.8% 0.190 144.3);

Tailwind

colors: {
  custom: {
    50: '#8edc8a',
    500: '#51cb58',
    950: '#000000',
  },
}

SCSS

$custom: #51cb58;
$custom-light: #8edc8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51cb58",
  "rgb": {
    "r": 81,
    "g": 203,
    "b": 88
  },
  "hsl": {
    "h": 123.443,
    "s": 53.982,
    "l": 55.686
  },
  "oklch": {
    "l": 0.74815,
    "c": 0.19004,
    "h": 144.3
  },
  "luminance": 0.45166
}

Semantic roles & 50–950 ramp

primary

#51CB58

secondary

#D5A3D2

accent

#4AD5DD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CB58

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

Preview Lab → · Contrast checker → · Palette generator →