#51A01D#51A01D

#51A01D is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.1% C 0.177 H 136.4°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#51A01D
RGB	rgb(81, 160, 29)
HSL	hsl(96, 69%, 37%)
HSV	hsv(96, 82%, 63%)
CMYK	cmyk(49.4%, 0%, 81.9%, 37.3%)
CIE-LAB	lab(58.95, -45.94, 55.23)
CIE-LCH	lch(58.95, 71.83, 129.76°)
OKLab	oklab(63.09% -0.128 0.1219)
OKLCH	oklch(63.09% 0.177 136.4)
XYZ	xyz(16.1855, 26.9785, 5.5167)
Luminance	0.2698 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A01D #6C1DA0

analogous

#93A01D #51A01D #1DA02A

triadic

#51A01D #1D51A0 #A01D51

tetradic

#51A01D #1D93A0 #6C1DA0 #A02A1D

square

#51A01D #1D93A0 #6C1DA0 #A02A1D

split-complementary

#51A01D #2A1DA0 #A01D93

monochromatic

#1D380A #376C14 #51A01D #6BD426 #8EE157

Accessibility & contrast

On white

3.28

#51A01D on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#51A01D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A01D

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A01D	#FFFFFF	#000000	##000000
##51A01D	1.00	3.28	6.40	6.40
#FFFFFF	3.28	1.00	21.00	21.00
#000000	6.40	21.00	1.00	1.00
##000000	6.40	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A69200

Deuteranopia (green-blind)

#9B8B2D

Tritanopia (blue-blind)

#4D9A88

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #51a01d;
/* rgb */ color: rgb(81, 160, 29);
/* oklch */ color: oklch(63.1% 0.177 136.4);

Tailwind

colors: {
  custom: {
    50: '#8abd65',
    500: '#51a01d',
    950: '#000000',
  },
}

SCSS

$custom: #51a01d;
$custom-light: #8abd65;
$custom-dark: #000000;

JSON

{
  "hex": "#51a01d",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 29
  },
  "hsl": {
    "h": 96.183,
    "s": 69.312,
    "l": 37.059
  },
  "oklch": {
    "l": 0.63092,
    "c": 0.17676,
    "h": 136.4
  },
  "luminance": 0.2698
}

Semantic roles & 50–950 ramp

primary

#51A01D

secondary

#9855C4

accent

#3CECA6

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0D1206

muted

#7D817A

Preview Lab

Preview with #51A01D

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

Preview Lab → · Contrast checker → · Palette generator →