#51CA58#51CA58

#51CA58 is a light, vivid green. Relative luminance 0.447; OKLCH L 74.6% C 0.189 H 144.3°. Best body text is #000000 at 9.94:1 contrast (WCAG AA passes).

Color values

HEX	#51CA58
RGB	rgb(81, 202, 88)
HSL	hsl(123, 53%, 55%)
HSV	hsv(123, 60%, 79%)
CMYK	cmyk(59.9%, 0%, 56.4%, 20.8%)
CIE-LAB	lab(72.69, -56.57, 46.34)
CIE-LCH	lch(72.69, 73.13, 140.68°)
OKLab	oklab(74.56% -0.1534 0.11)
OKLCH	oklch(74.56% 0.189 144.3)
XYZ	xyz(26.2738, 44.6925, 16.4726)
Luminance	0.4470 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CA58 #CA51C3

analogous

#86CA51 #51CA58 #51CA94

triadic

#51CA58 #5851CA #CA5851

tetradic

#51CA58 #5186CA #CA51C3 #CA9451

square

#51CA58 #5186CA #CA51C3 #CA9451

split-complementary

#51CA58 #9451CA #CA5186

monochromatic

#257B2A #34AA3B #51CA58 #80D885 #AFE7B2

Accessibility & contrast

On white

2.11

#51CA58 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.94

#51CA58 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CA58

9.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CA58	#FFFFFF	#000000	##000000
##51CA58	1.00	2.11	9.94	9.94
#FFFFFF	2.11	1.00	21.00	21.00
#000000	9.94	21.00	1.00	1.00
##000000	9.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#CEB94D

Deuteranopia (green-blind)

#BEAE61

Tritanopia (blue-blind)

#39C5B1

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #51ca58;
/* rgb */ color: rgb(81, 202, 88);
/* oklch */ color: oklch(74.6% 0.189 144.3);

Tailwind

colors: {
  custom: {
    50: '#8edb8a',
    500: '#51ca58',
    950: '#000000',
  },
}

SCSS

$custom: #51ca58;
$custom-light: #8edb8a;
$custom-dark: #000000;

JSON

{
  "hex": "#51ca58",
  "rgb": {
    "r": 81,
    "g": 202,
    "b": 88
  },
  "hsl": {
    "h": 123.471,
    "s": 53.304,
    "l": 55.49
  },
  "oklch": {
    "l": 0.74559,
    "c": 0.18877,
    "h": 144.3
  },
  "luminance": 0.44695
}

Semantic roles & 50–950 ramp

primary

#51CA58

secondary

#D5A2D2

accent

#4BD4DD

background

#F9FDF8

surface

#F2FBF0

border

#CCD4CB

text

#0D150C

muted

#7E837D

Preview Lab

Preview with #51CA58

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

Preview Lab → · Contrast checker → · Palette generator →