#51CF3F#51CF3F

#51CF3F is a light, highly saturated green. Relative luminance 0.467; OKLCH L 75.6% C 0.213 H 141.3°. Best body text is #000000 at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#51CF3F
RGB	rgb(81, 207, 63)
HSL	hsl(113, 60%, 53%)
HSV	hsv(113, 70%, 81%)
CMYK	cmyk(60.9%, 0%, 69.6%, 18.8%)
CIE-LAB	lab(74.02, -60.95, 58.47)
CIE-LCH	lch(74.02, 84.46, 136.19°)
OKLab	oklab(75.58% -0.1665 0.1334)
OKLCH	oklch(75.58% 0.213 141.3)
XYZ	xyz(26.6020, 46.7314, 12.3198)
Luminance	0.4673 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51CF3F #BD3FCF

analogous

#99CF3F #51CF3F #3FCF75

triadic

#51CF3F #3F51CF #CF3F51

tetradic

#51CF3F #3F99CF #BD3FCF #CF753F

square

#51CF3F #3F99CF #BD3FCF #CF753F

split-complementary

#51CF3F #753FCF #CF3F99

monochromatic

#29761E #39A72A #51CF3F #7DDB70 #AAE7A1

Accessibility & contrast

On white

2.03

#51CF3F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

10.35

#51CF3F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51CF3F

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51CF3F	#FFFFFF	#000000	##000000
##51CF3F	1.00	2.03	10.35	10.35
#FFFFFF	2.03	1.00	21.00	21.00
#000000	10.35	21.00	1.00	1.00
##000000	10.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#D4BC29

Deuteranopia (green-blind)

#C5B24D

Tritanopia (blue-blind)

#3DC9B2

Achromatopsia (no color)

#B6B6B6

Design tokens & code

CSS

--color: #51cf3f;
/* rgb */ color: rgb(81, 207, 63);
/* oklch */ color: oklch(75.6% 0.213 141.3);

Tailwind

colors: {
  custom: {
    50: '#90df7c',
    500: '#51cf3f',
    950: '#000000',
  },
}

SCSS

$custom: #51cf3f;
$custom-light: #90df7c;
$custom-dark: #000000;

JSON

{
  "hex": "#51cf3f",
  "rgb": {
    "r": 81,
    "g": 207,
    "b": 63
  },
  "hsl": {
    "h": 112.5,
    "s": 60,
    "l": 52.941
  },
  "oklch": {
    "l": 0.75583,
    "c": 0.21331,
    "h": 141.3
  },
  "luminance": 0.46734
}

Semantic roles & 50–950 ramp

primary

#51CF3F

secondary

#CC96D4

accent

#45E3CF

background

#F9FDF7

surface

#F2FBEE

border

#CCD4C9

text

#0E150A

muted

#7E837C

Preview Lab

Preview with #51CF3F

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

Preview Lab → · Contrast checker → · Palette generator →