#17281B
Closest named color: Jet (#212529). oklch(25.7% 0.033 150.9), rgb(23, 40, 27).
Aa
White text reads best on this color (15.48:1).
About this color
#17281B is a dark, muted green. In OKLCH its lightness is 26%, its chroma 0.033 and its hue 151°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Jet (#212529), ΔE 0.036 away. White text reads best on it, at 15.48:1.
| Hue family | Greens |
| Lightness | dark (26%) |
| Chroma | muted (0.033) |
| Temperature | in between |
| Nearest name | Jet (#212529) |
| Black text | 1.35:1 |
| White text | 15.48:1 |
Values
| HEX | #17281B |
| RGB | rgb(23, 40, 27) |
| HSL | hsl(134, 27%, 12%) |
| OKLCH | oklch(25.7% 0.033 150.9) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #17281B | 15.48:1 | AAA | Lc -105.1 | Preferred for body text |
| Black text on #17281B | 1.35:1 | Fails | Lc 0.0 | Not readable |
| #17281B text on white | 15.48:1 | AAA | Lc 102.4 | Preferred for body text |
| #17281B text on black | 1.35:1 | Fails | Lc 0.0 | Not readable |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 950.
-
Step 50
50
#F3F6F4
oklch(97% 0.004 157.2)
-
Step 100
100
#E5ECE6
oklch(93.6% 0.011 149.9)
-
Step 200
200
#CFDDD2
oklch(88.4% 0.021 152.2)
-
Step 300
300
#AFC8B4
oklch(80.8% 0.039 151.3)
-
Step 400
400
#84AC8D
oklch(70.6% 0.062 151.4)
-
Step 500
500
#649870
oklch(63.2% 0.082 150.8)
-
Step 600
600
#4A8258
oklch(55.6% 0.088 150.7)
-
Step 700
700
#3B6E48
oklch(49.1% 0.082 150.7)
-
Step 800
800
#315A3C
oklch(42.8% 0.068 151.3)
-
Step 900
900
#2C4A33
oklch(37.8% 0.053 150.6)
-
Step 950
950 (this color)
#17281B
oklch(25.7% 0.033 150.9)
#17281B with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #28251A | 0.029 |
| Deuteranopia (no green cones) | #25231C | 0.029 |
| Tritanopia (no blue cones) | #142724 | 0.018 |
| Achromatopsia (no color) | #242424 | 0.034 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #17281B
#17281B
oklch(25.7% 0.033 150.9)
- #2D1D2B
#2D1D2B
oklch(25.7% 0.035 330.9)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #17281B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Jet #212529 ΔE 0.036
- Dark #1B2431 ΔE 0.049
- Very Dark Green #062E03 ΔE 0.050
- Dark Forest Green #002D04 ΔE 0.050
- Pakistan Green #283618 ΔE 0.060
- Dark Brown #341C02 ΔE 0.062
- Oxford Blue #1B263B ΔE 0.064
- Rich Black #0D1B2A ΔE 0.066
Use #17281B in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.