#55901B#55901B

#55901B is a mid, vivid yellow-green. Relative luminance 0.220; OKLCH L 59.1% C 0.156 H 133.5°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#55901B
RGB	rgb(85, 144, 27)
HSL	hsl(90, 68%, 34%)
HSV	hsv(90, 81%, 56%)
CMYK	cmyk(41%, 0%, 81.3%, 43.5%)
CIE-LAB	lab(53.98, -38.10, 51.30)
CIE-LCH	lch(53.98, 63.90, 126.61°)
OKLab	oklab(59.06% -0.1073 0.1133)
OKLCH	oklch(59.06% 0.156 133.5)
XYZ	xyz(13.9172, 21.9562, 4.5414)
Luminance	0.2196 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#55901B #561B90

analogous

#8F901B #55901B #1B901B

triadic

#55901B #1B5590 #901B55

tetradic

#55901B #1B8F90 #561B90 #901B1B

square

#55901B #1B8F90 #561B90 #901B1B

split-complementary

#55901B #1B1B90 #901B8F

monochromatic

#182908 #375C11 #55901B #73C425 #92DD49

Accessibility & contrast

On white

3.90

#55901B on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#55901B on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #55901B

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##55901B	#FFFFFF	#000000	##000000
##55901B	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#968400

Deuteranopia (green-blind)

#8E7F28

Tritanopia (blue-blind)

#558A7B

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #55901b;
/* rgb */ color: rgb(85, 144, 27);
/* oklch */ color: oklch(59.1% 0.156 133.5);

Tailwind

colors: {
  custom: {
    50: '#8ab162',
    500: '#55901b',
    950: '#000000',
  },
}

SCSS

$custom: #55901b;
$custom-light: #8ab162;
$custom-dark: #000000;

JSON

{
  "hex": "#55901b",
  "rgb": {
    "r": 85,
    "g": 144,
    "b": 27
  },
  "hsl": {
    "h": 90.256,
    "s": 68.421,
    "l": 33.529
  },
  "oklch": {
    "l": 0.59055,
    "c": 0.15605,
    "h": 133.5
  },
  "luminance": 0.21957
}

Semantic roles & 50–950 ramp

primary

#55901B

secondary

#8448BF

accent

#3DEB95

background

#F8FAF6

surface

#F0F5EB

border

#CBCFC6

text

#0C1006

muted

#7D7F7A

Preview Lab

Preview with #55901B

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

Preview Lab → · Contrast checker → · Palette generator →