#1D2801#1D2801

#1D2801 is a dark, moderate yellow-green. Relative luminance 0.018; OKLCH L 25.7% C 0.062 H 124.2°. Best body text is #FFFFFF at 15.48:1 contrast (WCAG AA passes).

Color values

HEX	#1D2801
RGB	rgb(29, 40, 1)
HSL	hsl(77, 95%, 8%)
HSV	hsv(77, 98%, 16%)
CMYK	cmyk(27.5%, 0%, 97.5%, 84.3%)
CIE-LAB	lab(14.29, -11.90, 20.27)
CIE-LCH	lch(14.29, 23.51, 120.40°)
OKLab	oklab(25.71% -0.035 0.0516)
OKLCH	oklch(25.71% 0.062 124.2)
XYZ	xyz(1.2710, 1.7810, 0.3055)
Luminance	0.0178 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Hunter Green (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2801 #0C0128

analogous

#281F01 #1D2801 #092801

triadic

#1D2801 #011D28 #28011D

tetradic

#1D2801 #01281F #0C0128 #280109

square

#1D2801 #01281F #0C0128 #280109

split-complementary

#1D2801 #010928 #1F0128

monochromatic

#161E01 #161E01 #1D2801 #486402 #749F04

Accessibility & contrast

On white

15.48

#1D2801 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#1D2801 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2801

15.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2801	#FFFFFF	#000000	##FFFFFF
##1D2801	1.00	15.48	1.36	15.48
#FFFFFF	15.48	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.48	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B2500

Deuteranopia (green-blind)

#2A2403

Tritanopia (blue-blind)

#1F2520

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #1d2801;
/* rgb */ color: rgb(29, 40, 1);
/* oklch */ color: oklch(25.7% 0.062 124.2);

Tailwind

colors: {
  custom: {
    50: '#596247',
    500: '#1d2801',
    950: '#000000',
  },
}

SCSS

$custom: #1d2801;
$custom-light: #596247;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2801",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 1
  },
  "hsl": {
    "h": 76.923,
    "s": 95.122,
    "l": 8.039
  },
  "oklch": {
    "l": 0.25713,
    "c": 0.0624,
    "h": 124.2
  },
  "luminance": 0.01781
}

Semantic roles & 50–950 ramp

primary

#1D2801

secondary

#2F166F

accent

#29FF65

background

#F5F5F4

surface

#E9EAE6

border

#C5C6C2

text

#040500

muted

#797977

Preview Lab

Preview with #1D2801

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

Preview Lab → · Contrast checker → · Palette generator →