#5A901B#5A901B

#5A901B is a mid, vivid yellow-green. Relative luminance 0.222; OKLCH L 59.3% C 0.153 H 132.1°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#5A901B
RGB	rgb(90, 144, 27)
HSL	hsl(88, 68%, 34%)
HSV	hsv(88, 81%, 56%)
CMYK	cmyk(37.5%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(54.24, -36.27, 51.63)
CIE-LCH	lch(54.24, 63.10, 125.09°)
OKLab	oklab(59.33% -0.1027 0.1139)
OKLCH	oklch(59.33% 0.153 132.1)
XYZ	xyz(14.3874, 22.1987, 4.5634)
Luminance	0.2220 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5A901B #511B90

analogous

#908B1B #5A901B #20901B

triadic

#5A901B #1B5A90 #901B5A

tetradic

#5A901B #1B908B #511B90 #901B20

square

#5A901B #1B908B #511B90 #901B20

split-complementary

#5A901B #1B2090 #8B1B90

monochromatic

#1A2908 #3A5C11 #5A901B #7AC425 #98DD49

Accessibility & contrast

On white

3.86

#5A901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#5A901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #5A901B

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5A901B	#FFFFFF	#000000	##000000
##5A901B	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#8F8028

Tritanopia (blue-blind)

#5B8A7B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #5a901b;
/* rgb */ color: rgb(90, 144, 27);
/* oklch */ color: oklch(59.3% 0.153 132.1);

Tailwind

colors: {
  custom: {
    50: '#8eb162',
    500: '#5a901b',
    950: '#000000',
  },
}

SCSS

$custom: #5a901b;
$custom-light: #8eb162;
$custom-dark: #000000;

JSON

{
  "hex": "#5a901b",
  "rgb": {
    "r": 90,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 87.692,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.59334,
    "c": 0.15335,
    "h": 132.1
  },
  "luminance": 0.22199
}

Semantic roles & 50–950 ramp

primary

#5A901B

secondary

#7F48BF

accent

#3DEB8D

background

#F9FAF6

surface

#F1F5EB

border

#CBCFC6

text

#0D1006

muted

#7E7F7A

Preview Lab

Preview with #5A901B

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

Preview Lab → · Contrast checker → · Palette generator →