#51AD2F#51AD2F

#51AD2F is a light, vivid green. Relative luminance 0.318; OKLCH L 66.6% C 0.183 H 138.7°. Best body text is #000000 at 7.37:1 contrast (WCAG AA passes).

Color values

HEX	#51AD2F
RGB	rgb(81, 173, 47)
HSL	hsl(104, 57%, 43%)
HSV	hsv(104, 73%, 68%)
CMYK	cmyk(53.2%, 0%, 72.8%, 32.2%)
CIE-LAB	lab(63.21, -49.85, 53.36)
CIE-LCH	lch(63.21, 73.02, 133.05°)
OKLab	oklab(66.63% -0.1374 0.1206)
OKLCH	oklch(66.63% 0.183 138.7)
XYZ	xyz(18.8493, 31.8402, 7.8413)
Luminance	0.3184 (WCAG relative)
Temperature	warm
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51AD2F #8B2FAD

analogous

#90AD2F #51AD2F #2FAD4C

triadic

#51AD2F #2F51AD #AD2F51

tetradic

#51AD2F #2F90AD #8B2FAD #AD4C2F

square

#51AD2F #2F90AD #8B2FAD #AD4C2F

split-complementary

#51AD2F #4C2FAD #AD2F90

monochromatic

#244D15 #3A7D22 #51AD2F #6ECE4B #95DB7B

Accessibility & contrast

On white

2.85

#51AD2F on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.37

#51AD2F on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #51AD2F

7.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51AD2F	#FFFFFF	#000000	##000000
##51AD2F	1.00	2.85	7.37	7.37
#FFFFFF	2.85	1.00	21.00	21.00
#000000	7.37	21.00	1.00	1.00
##000000	7.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B29E19

Deuteranopia (green-blind)

#A6963C

Tritanopia (blue-blind)

#49A794

Achromatopsia (no color)

#999999

Design tokens & code

CSS

--color: #51ad2f;
/* rgb */ color: rgb(81, 173, 47);
/* oklch */ color: oklch(66.6% 0.183 138.7);

Tailwind

colors: {
  custom: {
    50: '#8bc670',
    500: '#51ad2f',
    950: '#000000',
  },
}

SCSS

$custom: #51ad2f;
$custom-light: #8bc670;
$custom-dark: #000000;

JSON

{
  "hex": "#51ad2f",
  "rgb": {
    "r": 81,
    "g": 173,
    "b": 47
  },
  "hsl": {
    "h": 103.81,
    "s": 57.273,
    "l": 43.137
  },
  "oklch": {
    "l": 0.66628,
    "c": 0.18285,
    "h": 138.7
  },
  "luminance": 0.31842
}

Semantic roles & 50–950 ramp

primary

#51AD2F

secondary

#AE74C4

accent

#47E1B7

background

#F9FCF7

surface

#F1F8ED

border

#CBD1C8

text

#0D1308

muted

#7E827B

Preview Lab

Preview with #51AD2F

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

Preview Lab → · Contrast checker → · Palette generator →