#51A022#51A022

#51A022 is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.1% C 0.174 H 136.7°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#51A022
RGB	rgb(81, 160, 34)
HSL	hsl(98, 65%, 38%)
HSV	hsv(98, 79%, 63%)
CMYK	cmyk(49.4%, 0%, 78.8%, 37.3%)
CIE-LAB	lab(58.98, -45.66, 53.72)
CIE-LCH	lch(58.98, 70.51, 130.36°)
OKLab	oklab(63.12% -0.127 0.1195)
OKLCH	oklch(63.12% 0.174 136.7)
XYZ	xyz(16.2524, 27.0053, 5.8692)
Luminance	0.2701 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A022 #7122A0

analogous

#90A022 #51A022 #22A032

triadic

#51A022 #2251A0 #A02251

tetradic

#51A022 #2290A0 #7122A0 #A03222

square

#51A022 #2290A0 #7122A0 #A03222

split-complementary

#51A022 #3222A0 #A02290

monochromatic

#1E3B0D #376E17 #51A022 #6BD22D #8EDD5F

Accessibility & contrast

On white

3.28

#51A022 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#51A022 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A022

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A022	#FFFFFF	#000000	##000000
##51A022	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)

#9B8B30

Tritanopia (blue-blind)

#4D9A89

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #51a022;
/* rgb */ color: rgb(81, 160, 34);
/* oklch */ color: oklch(63.1% 0.174 136.7);

Tailwind

colors: {
  custom: {
    50: '#8abd68',
    500: '#51a022',
    950: '#000000',
  },
}

SCSS

$custom: #51a022;
$custom-light: #8abd68;
$custom-dark: #000000;

JSON

{
  "hex": "#51a022",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 34
  },
  "hsl": {
    "h": 97.619,
    "s": 64.948,
    "l": 38.039
  },
  "oklch": {
    "l": 0.6312,
    "c": 0.17436,
    "h": 136.7
  },
  "luminance": 0.27006
}

Semantic roles & 50–950 ramp

primary

#51A022

secondary

#9C5CC2

accent

#40E8A9

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A022

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

Preview Lab → · Contrast checker → · Palette generator →