#1B833E#1B833E

#1B833E is a mid, vivid green. Relative luminance 0.168; OKLCH L 53.7% C 0.139 H 149.4°. Best body text is #FFFFFF at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#1B833E
RGB	rgb(27, 131, 62)
HSL	hsl(140, 66%, 31%)
HSV	hsv(140, 79%, 51%)
CMYK	cmyk(79.4%, 0%, 52.7%, 48.6%)
CIE-LAB	lab(48.02, -44.43, 29.12)
CIE-LCH	lch(48.02, 53.12, 146.76°)
OKLab	oklab(53.7% -0.1194 0.0705)
OKLCH	oklch(53.7% 0.139 149.4)
XYZ	xyz(9.4370, 16.8123, 7.3042)
Luminance	0.1681 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1B833E #831B60

analogous

#2C831B #1B833E #1B8372

triadic

#1B833E #3E1B83 #833E1B

tetradic

#1B833E #1B2C83 #831B60 #83721B

square

#1B833E #1B2C83 #831B60 #83721B

split-complementary

#1B833E #721B83 #831B2C

monochromatic

#061E0E #115026 #1B833E #25B656 #41D873

Accessibility & contrast

On white

4.81

#1B833E on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.36

#1B833E on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #1B833E

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1B833E	#FFFFFF	#000000	##FFFFFF
##1B833E	1.00	4.81	4.36	4.81
#FFFFFF	4.81	1.00	21.00	1.00
#000000	4.36	21.00	1.00	21.00
##FFFFFF	4.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#847738

Deuteranopia (green-blind)

#786F43

Tritanopia (blue-blind)

#008073

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #1b833e;
/* rgb */ color: rgb(27, 131, 62);
/* oklch */ color: oklch(53.7% 0.139 149.4);

Tailwind

colors: {
  custom: {
    50: '#6aa875',
    500: '#1b833e',
    950: '#000000',
  },
}

SCSS

$custom: #1b833e;
$custom-light: #6aa875;
$custom-dark: #000000;

JSON

{
  "hex": "#1b833e",
  "rgb": {
    "r": 27,
    "g": 131,
    "b": 62
  },
  "hsl": {
    "h": 140.192,
    "s": 65.823,
    "l": 30.98
  },
  "oklch": {
    "l": 0.53702,
    "c": 0.13863,
    "h": 149.4
  },
  "luminance": 0.16813
}

Semantic roles & 50–950 ramp

primary

#1B833E

secondary

#B64390

accent

#3FB0E9

background

#F6FAF7

surface

#ECF4ED

border

#C7CEC8

text

#071008

muted

#7A7F7B

Preview Lab

Preview with #1B833E

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

Preview Lab → · Contrast checker → · Palette generator →