#51BF2D#51BF2D

#51BF2D is a light, highly saturated green. Relative luminance 0.392; OKLCH L 71.3% C 0.205 H 139.4°. Best body text is #000000 at 8.84:1 contrast (WCAG AA passes).

Color values

HEX	#51BF2D
RGB	rgb(81, 191, 45)
HSL	hsl(105, 62%, 46%)
HSV	hsv(105, 76%, 75%)
CMYK	cmyk(57.6%, 0%, 76.4%, 25.1%)
CIE-LAB	lab(68.89, -56.64, 59.69)
CIE-LCH	lch(68.89, 82.29, 133.49°)
OKLab	oklab(71.31% -0.1558 0.1336)
OKLCH	oklch(71.31% 0.205 139.4)
XYZ	xyz(22.4968, 39.1984, 8.8626)
Luminance	0.3920 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51BF2D #9B2DBF

analogous

#9ABF2D #51BF2D #2DBF52

triadic

#51BF2D #2D51BF #BF2D51

tetradic

#51BF2D #2D9ABF #9B2DBF #BF522D

square

#51BF2D #2D9ABF #9B2DBF #BF522D

split-complementary

#51BF2D #522DBF #BF2D9A

monochromatic

#275C16 #3C8D21 #51BF2D #73D653 #9BE284

Accessibility & contrast

On white

2.38

#51BF2D on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

8.84

#51BF2D on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51BF2D

8.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51BF2D	#FFFFFF	#000000	##000000
##51BF2D	1.00	2.38	8.84	8.84
#FFFFFF	2.38	1.00	21.00	21.00
#000000	8.84	21.00	1.00	1.00
##000000	8.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#C5AE07

Deuteranopia (green-blind)

#B7A53D

Tritanopia (blue-blind)

#44B9A3

Achromatopsia (no color)

#A8A8A8

Design tokens & code

CSS

--color: #51bf2d;
/* rgb */ color: rgb(81, 191, 45);
/* oklch */ color: oklch(71.3% 0.205 139.4);

Tailwind

colors: {
  custom: {
    50: '#8ed371',
    500: '#51bf2d',
    950: '#000000',
  },
}

SCSS

$custom: #51bf2d;
$custom-light: #8ed371;
$custom-dark: #000000;

JSON

{
  "hex": "#51bf2d",
  "rgb": {
    "r": 81,
    "g": 191,
    "b": 45
  },
  "hsl": {
    "h": 105.205,
    "s": 61.864,
    "l": 46.275
  },
  "oklch": {
    "l": 0.71313,
    "c": 0.20525,
    "h": 139.4
  },
  "luminance": 0.392
}

Semantic roles & 50–950 ramp

primary

#51BF2D

secondary

#B87CCB

accent

#43E5BD

background

#F9FDF7

surface

#F2FAED

border

#CCD3C8

text

#0D1408

muted

#7E837B

Preview Lab

Preview with #51BF2D

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

Preview Lab → · Contrast checker → · Palette generator →