#283000#283000

#283000 is a dark, moderate yellow-green. Relative luminance 0.026; OKLCH L 29.1% C 0.069 H 119.2°. Best body text is #FFFFFF at 13.88:1 contrast (WCAG AA passes).

Color values

HEX	#283000
RGB	rgb(40, 48, 0)
HSL	hsl(70, 100%, 9%)
HSV	hsv(70, 100%, 19%)
CMYK	cmyk(16.7%, 0%, 100%, 81.2%)
CIE-LAB	lab(18.21, -11.00, 25.77)
CIE-LCH	lch(18.21, 28.02, 113.11°)
OKLab	oklab(29.12% -0.0335 0.0599)
OKLCH	oklch(29.12% 0.069 119.2)
XYZ	xyz(1.9321, 2.5650, 0.3933)
Luminance	0.0256 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#283000 #080030

analogous

#302000 #283000 #103000

triadic

#283000 #002830 #300028

tetradic

#283000 #003020 #080030 #300010

square

#283000 #003020 #080030 #300010

split-complementary

#283000 #001030 #200030

monochromatic

#191F00 #191F00 #283000 #5B6D00 #8EAA00

Accessibility & contrast

On white

13.88

#283000 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#283000 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #283000

13.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##283000	#FFFFFF	#000000	##FFFFFF
##283000	1.00	13.88	1.51	13.88
#FFFFFF	13.88	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#342C00

Deuteranopia (green-blind)

#332D03

Tritanopia (blue-blind)

#2B2D27

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #283000;
/* rgb */ color: rgb(40, 48, 0);
/* oklch */ color: oklch(29.1% 0.069 119.2);

Tailwind

colors: {
  custom: {
    50: '#636847',
    500: '#283000',
    950: '#000000',
  },
}

SCSS

$custom: #283000;
$custom-light: #636847;
$custom-dark: #000000;

JSON

{
  "hex": "#283000",
  "rgb": {
    "r": 40,
    "g": 48,
    "b": 0
  },
  "hsl": {
    "h": 70,
    "s": 100,
    "l": 9.412
  },
  "oklch": {
    "l": 0.29118,
    "c": 0.06859,
    "h": 119.2
  },
  "luminance": 0.02565
}

Semantic roles & 50–950 ramp

primary

#283000

secondary

#251577

accent

#29FF4D

background

#F6F6F4

surface

#EBEBE6

border

#C6C6C2

text

#050600

muted

#7A7A77

Preview Lab

Preview with #283000

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

Preview Lab → · Contrast checker → · Palette generator →