#51AD25#51AD25

#51AD25 is a light, vivid green. Relative luminance 0.318; OKLCH L 66.6% C 0.188 H 137.9°. Best body text is #000000 at 7.35:1 contrast (WCAG AA passes).

Color values

HEX	#51AD25
RGB	rgb(81, 173, 37)
HSL	hsl(101, 65%, 41%)
HSV	hsv(101, 79%, 68%)
CMYK	cmyk(53.2%, 0%, 78.6%, 32.2%)
CIE-LAB	lab(63.15, -50.52, 56.74)
CIE-LCH	lch(63.15, 75.97, 131.68°)
OKLab	oklab(66.56% -0.1398 0.1263)
OKLCH	oklch(66.56% 0.188 137.9)
XYZ	xyz(18.6702, 31.7686, 6.8980)
Luminance	0.3177 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AD25 #8125AD

analogous

#95AD25 #51AD25 #25AD3D

triadic

#51AD25 #2551AD #AD2551

tetradic

#51AD25 #2595AD #8125AD #AD3D25

square

#51AD25 #2595AD #8125AD #AD3D25

split-complementary

#51AD25 #3D25AD #AD2595

monochromatic

#22480F #397B1A #51AD25 #6CD53A #92E06D

Accessibility & contrast

On white

2.86

#51AD25 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.35

#51AD25 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AD25

7.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AD25	#FFFFFF	#000000	##000000
##51AD25	1.00	2.86	7.35	7.35
#FFFFFF	2.86	1.00	21.00	21.00
#000000	7.35	21.00	1.00	1.00
##000000	7.35	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B39E00

Deuteranopia (green-blind)

#A79634

Tritanopia (blue-blind)

#4AA794

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51ad25;
/* rgb */ color: rgb(81, 173, 37);
/* oklch */ color: oklch(66.6% 0.188 137.9);

Tailwind

colors: {
  custom: {
    50: '#8bc66b',
    500: '#51ad25',
    950: '#000000',
  },
}

SCSS

$custom: #51ad25;
$custom-light: #8bc66b;
$custom-dark: #000000;

JSON

{
  "hex": "#51ad25",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 37
  },
  "hsl": {
    "h": 100.588,
    "s": 64.762,
    "l": 41.176
  },
  "oklch": {
    "l": 0.6656,
    "c": 0.18839,
    "h": 137.9
  },
  "luminance": 0.3177
}

Semantic roles & 50–950 ramp

primary

#51AD25

secondary

#A868C6

accent

#40E8B1

background

#F9FCF6

surface

#F1F8EC

border

#CBD1C7

text

#0D1307

muted

#7E827A

Preview Lab

Preview with #51AD25

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

Preview Lab → · Contrast checker → · Palette generator →