#51C03A#51C03A

#51C03A is a light, vivid green. Relative luminance 0.398; OKLCH L 71.7% C 0.199 H 140.5°. Best body text is #000000 at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#51C03A
RGB	rgb(81, 192, 58)
HSL	hsl(110, 54%, 49%)
HSV	hsv(110, 70%, 75%)
CMYK	cmyk(57.8%, 0%, 69.8%, 24.7%)
CIE-LAB	lab(69.29, -56.04, 55.45)
CIE-LCH	lch(69.29, 78.83, 135.30°)
OKLab	oklab(71.67% -0.1535 0.1264)
OKLCH	oklch(71.67% 0.199 140.5)
XYZ	xyz(23.0056, 39.7521, 10.4627)
Luminance	0.3975 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51C03A #A93AC0

analogous

#94C03A #51C03A #3AC066

triadic

#51C03A #3A51C0 #C03A51

tetradic

#51C03A #3A94C0 #A93AC0 #C0663A

square

#51C03A #3A94C0 #A93AC0 #C0663A

split-complementary

#51C03A #663AC0 #C03A94

monochromatic

#29621E #3D912C #51C03A #79D166 #A2DF95

Accessibility & contrast

On white

2.35

#51C03A on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.95

#51C03A on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51C03A

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51C03A	#FFFFFF	#000000	##000000
##51C03A	1.00	2.35	8.95	8.95
#FFFFFF	2.35	1.00	21.00	21.00
#000000	8.95	21.00	1.00	1.00
##000000	8.95	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AF25

Deuteranopia (green-blind)

#B7A647

Tritanopia (blue-blind)

#42BAA5

Achromatopsia (no color)

#A9A9A9

Design tokens & code

CSS

--color: #51c03a;
/* rgb */ color: rgb(81, 192, 58);
/* oklch */ color: oklch(71.7% 0.199 140.5);

Tailwind

colors: {
  custom: {
    50: '#8dd477',
    500: '#51c03a',
    950: '#000000',
  },
}

SCSS

$custom: #51c03a;
$custom-light: #8dd477;
$custom-dark: #000000;

JSON

{
  "hex": "#51c03a",
  "rgb": {
    "r": 81,
    "g": 192,
    "b": 58
  },
  "hsl": {
    "h": 109.701,
    "s": 53.6,
    "l": 49.02
  },
  "oklch": {
    "l": 0.71669,
    "c": 0.19886,
    "h": 140.5
  },
  "luminance": 0.39754
}

Semantic roles & 50–950 ramp

primary

#51C03A

secondary

#C08BCA

accent

#4BDDC4

background

#F9FDF7

surface

#F2FAEE

border

#CCD3C9

text

#0D1409

muted

#7E837B

Preview Lab

Preview with #51C03A

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

Preview Lab → · Contrast checker → · Palette generator →