#51A024#51A024

#51A024 is a light, vivid yellow-green. Relative luminance 0.270; OKLCH L 63.1% C 0.173 H 136.9°. Best body text is #000000 at 6.40:1 contrast (WCAG AA passes).

Color values

HEX	#51A024
RGB	rgb(81, 160, 36)
HSL	hsl(98, 63%, 38%)
HSV	hsv(98, 78%, 63%)
CMYK	cmyk(49.4%, 0%, 77.5%, 37.3%)
CIE-LAB	lab(58.99, -45.54, 53.08)
CIE-LCH	lch(58.99, 69.94, 130.63°)
OKLab	oklab(63.13% -0.1265 0.1185)
OKLCH	oklch(63.13% 0.173 136.9)
XYZ	xyz(16.2821, 27.0172, 6.0256)
Luminance	0.2702 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#51A024 #7324A0

analogous

#8FA024 #51A024 #24A035

triadic

#51A024 #2451A0 #A02451

tetradic

#51A024 #248FA0 #7324A0 #A03524

square

#51A024 #248FA0 #7324A0 #A03524

split-complementary

#51A024 #3524A0 #A0248F

monochromatic

#1E3C0E #386E19 #51A024 #6BD131 #8FDC63

Accessibility & contrast

On white

3.28

#51A024 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.40

#51A024 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #51A024

6.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##51A024	#FFFFFF	#000000	##000000
##51A024	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)

#A69204

Deuteranopia (green-blind)

#9B8C31

Tritanopia (blue-blind)

#4C9A89

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #51a024;
/* rgb */ color: rgb(81, 160, 36);
/* oklch */ color: oklch(63.1% 0.173 136.9);

Tailwind

colors: {
  custom: {
    50: '#8abd69',
    500: '#51a024',
    950: '#000000',
  },
}

SCSS

$custom: #51a024;
$custom-light: #8abd69;
$custom-dark: #000000;

JSON

{
  "hex": "#51a024",
  "rgb": {
    "r": 81,
    "g": 160,
    "b": 36
  },
  "hsl": {
    "h": 98.226,
    "s": 63.265,
    "l": 38.431
  },
  "oklch": {
    "l": 0.63133,
    "c": 0.17331,
    "h": 136.9
  },
  "luminance": 0.27018
}

Semantic roles & 50–950 ramp

primary

#51A024

secondary

#9D5FC1

accent

#41E6AA

background

#F8FBF6

surface

#F0F6EB

border

#CBD0C6

text

#0C1207

muted

#7D817A

Preview Lab

Preview with #51A024

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

Preview Lab → · Contrast checker → · Palette generator →