#42791B#42791B

#42791B is a mid, vivid yellow-green. Relative luminance 0.149; OKLCH L 51.9% C 0.137 H 135.4°. Best body text is #FFFFFF at 5.27:1 contrast (WCAG AA passes).

Color values

HEX	#42791B
RGB	rgb(66, 121, 27)
HSL	hsl(95, 64%, 29%)
HSV	hsv(95, 78%, 47%)
CMYK	cmyk(45.5%, 0%, 77.7%, 52.5%)
CIE-LAB	lab(45.51, -34.89, 42.92)
CIE-LCH	lch(45.51, 55.31, 129.11°)
OKLab	oklab(51.86% -0.0974 0.0961)
OKLCH	oklch(51.86% 0.137 135.4)
XYZ	xyz(9.2818, 14.9116, 3.4258)
Luminance	0.1491 (WCAG relative)
Temperature	warm
Family	yellow-green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#42791B #521B79

analogous

#71791B #42791B #1B7923

triadic

#42791B #1B4279 #791B42

tetradic

#42791B #1B7179 #521B79 #79231B

square

#42791B #1B7179 #521B79 #79231B

split-complementary

#42791B #231B79 #791B71

monochromatic

#0E1906 #274710 #42791B #5DAB26 #7AD33B

Accessibility & contrast

On white

5.27

#42791B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.98

#42791B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #42791B

5.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##42791B	#FFFFFF	#000000	##FFFFFF
##42791B	1.00	5.27	3.98	5.27
#FFFFFF	5.27	1.00	21.00	1.00
#000000	3.98	21.00	1.00	21.00
##FFFFFF	5.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E6F07

Deuteranopia (green-blind)

#766A25

Tritanopia (blue-blind)

#407467

Achromatopsia (no color)

#6C6C6C

Design tokens & code

CSS

--color: #42791b;
/* rgb */ color: rgb(66, 121, 27);
/* oklch */ color: oklch(51.9% 0.137 135.4);

Tailwind

colors: {
  custom: {
    50: '#7ca05f',
    500: '#42791b',
    950: '#000000',
  },
}

SCSS

$custom: #42791b;
$custom-light: #7ca05f;
$custom-dark: #000000;

JSON

{
  "hex": "#42791b",
  "rgb": {
    "r": 66,
    "g": 121,
    "b": 27
  },
  "hsl": {
    "h": 95.106,
    "s": 63.514,
    "l": 29.02
  },
  "oklch": {
    "l": 0.51863,
    "c": 0.13681,
    "h": 135.4
  },
  "luminance": 0.14912
}

Semantic roles & 50–950 ramp

primary

#42791B

secondary

#8143AD

accent

#41E7A2

background

#F7F9F5

surface

#EEF2EA

border

#C9CCC6

text

#0A0F05

muted

#7C7E79

Preview Lab

Preview with #42791B

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

Preview Lab → · Contrast checker → · Palette generator →