#257D2B#257D2B

#257D2B is a mid, vivid green. Relative luminance 0.152; OKLCH L 52.0% C 0.144 H 144.1°. Best body text is #FFFFFF at 5.19:1 contrast (WCAG AA passes).

Color values

HEX	#257D2B
RGB	rgb(37, 125, 43)
HSL	hsl(124, 54%, 32%)
HSV	hsv(124, 70%, 49%)
CMYK	cmyk(70.4%, 0%, 65.6%, 51%)
CIE-LAB	lab(45.95, -43.16, 36.28)
CIE-LCH	lch(45.95, 56.39, 139.95°)
OKLab	oklab(51.98% -0.1169 0.0846)
OKLCH	oklch(51.98% 0.144 144.1)
XYZ	xyz(8.5321, 15.2341, 4.7759)
Luminance	0.1524 (WCAG relative)
Temperature	neutral
Family	green

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#257D2B #7D2577

analogous

#4B7D25 #257D2B #257D57

triadic

#257D2B #2B257D #7D2B25

tetradic

#257D2B #254B7D #7D2577 #7D5725

square

#257D2B #254B7D #7D2577 #7D5725

split-complementary

#257D2B #57257D #7D254B

monochromatic

#091F0B #174E1B #257D2B #33AC3B #51CB59

Accessibility & contrast

On white

5.19

#257D2B on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.05

#257D2B on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #257D2B

5.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##257D2B	#FFFFFF	#000000	##FFFFFF
##257D2B	1.00	5.19	4.05	5.19
#FFFFFF	5.19	1.00	21.00	1.00
#000000	4.05	21.00	1.00	21.00
##FFFFFF	5.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F7121

Deuteranopia (green-blind)

#756A32

Tritanopia (blue-blind)

#0A7A6C

Achromatopsia (no color)

#6D6D6D

Design tokens & code

CSS

--color: #257d2b;
/* rgb */ color: rgb(37, 125, 43);
/* oklch */ color: oklch(52.0% 0.144 144.1);

Tailwind

colors: {
  custom: {
    50: '#6da468',
    500: '#257d2b',
    950: '#000000',
  },
}

SCSS

$custom: #257d2b;
$custom-light: #6da468;
$custom-dark: #000000;

JSON

{
  "hex": "#257d2b",
  "rgb": {
    "r": 37,
    "g": 125,
    "b": 43
  },
  "hsl": {
    "h": 124.091,
    "s": 54.321,
    "l": 31.765
  },
  "oklch": {
    "l": 0.51976,
    "c": 0.14428,
    "h": 144.1
  },
  "luminance": 0.15235
}

Semantic roles & 50–950 ramp

primary

#257D2B

secondary

#AF4FA9

accent

#4AD4DE

background

#F6FAF6

surface

#ECF4EB

border

#C7CEC6

text

#080F06

muted

#7A7F7A

Preview Lab

Preview with #257D2B

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

Preview Lab → · Contrast checker → · Palette generator →