#81AB33#81AB33

#81AB33 is a light, vivid yellow-green. Relative luminance 0.340; OKLCH L 68.7% C 0.153 H 126.9°. Best body text is #000000 at 7.81:1 contrast (WCAG AA passes).

Color values

HEX	#81AB33
RGB	rgb(129, 171, 51)
HSL	hsl(81, 54%, 44%)
HSV	hsv(81, 70%, 67%)
CMYK	cmyk(24.6%, 0%, 70.2%, 32.9%)
CIE-LAB	lab(64.99, -32.12, 54.41)
CIE-LCH	lch(64.99, 63.18, 120.55°)
OKLab	oklab(68.73% -0.092 0.1226)
OKLCH	oklch(68.73% 0.153 126.9)
XYZ	xyz(24.2138, 34.0315, 8.4244)
Luminance	0.3403 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#81AB33 #5D33AB

analogous

#AB9933 #81AB33 #45AB33

triadic

#81AB33 #3381AB #AB3381

tetradic

#81AB33 #33AB99 #5D33AB #AB3345

square

#81AB33 #33AB99 #5D33AB #AB3345

split-complementary

#81AB33 #3345AB #9933AB

monochromatic

#3A4D17 #5D7C25 #81AB33 #A0CB50 #BAD97F

Accessibility & contrast

On white

2.69

#81AB33 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.81

#81AB33 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #81AB33

7.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##81AB33	#FFFFFF	#000000	##000000
##81AB33	1.00	2.69	7.81	7.81
#FFFFFF	2.69	1.00	21.00	21.00
#000000	7.81	21.00	1.00	1.00
##000000	7.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#B49F20

Deuteranopia (green-blind)

#AE9D3D

Tritanopia (blue-blind)

#86A393

Achromatopsia (no color)

#9E9E9E

Design tokens & code

CSS

--color: #81ab33;
/* rgb */ color: rgb(129, 171, 51);
/* oklch */ color: oklch(68.7% 0.153 126.9);

Tailwind

colors: {
  custom: {
    50: '#a9c472',
    500: '#81ab33',
    950: '#000000',
  },
}

SCSS

$custom: #81ab33;
$custom-light: #a9c472;
$custom-dark: #000000;

JSON

{
  "hex": "#81ab33",
  "rgb": {
    "r": 129,
    "g": 171,
    "b": 51
  },
  "hsl": {
    "h": 81,
    "s": 54.054,
    "l": 43.529
  },
  "oklch": {
    "l": 0.68725,
    "c": 0.15332,
    "h": 126.9
  },
  "luminance": 0.34032
}

Semantic roles & 50–950 ramp

primary

#81AB33

secondary

#9278C2

accent

#4ADD7E

background

#FAFCF7

surface

#F4F8ED

border

#CED1C8

text

#101208

muted

#7F817B

Preview Lab

Preview with #81AB33

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

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