#21593B
Closest named color: Pine (#2B5D34). oklch(41.8% 0.078 157), rgb(33, 89, 59).
Aa
White text reads best on this color (8.21:1).
About this color
#21593B is a dark, moderately saturated green. In OKLCH its lightness is 42%, its chroma 0.078 and its hue 157°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.021 away. White text reads best on it, at 8.21:1.
| Hue family | Greens |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.078) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.55:1 |
| White text | 8.21:1 |
Values
| HEX | #21593B |
| RGB | rgb(33, 89, 59) |
| HSL | hsl(148, 46%, 24%) |
| OKLCH | oklch(41.8% 0.078 157) |
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 #21593B | 8.21:1 | AAA | Lc -92.8 | Preferred for body text |
| Black text on #21593B | 2.55:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #21593B text on white | 8.21:1 | AAA | Lc 88.2 | Fine for body text |
| #21593B text on black | 2.55:1 | Fails | Lc -14.0 | 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 800.
-
Step 50
50
#F2F7F4
oklch(97.2% 0.007 160.1)
-
Step 100
100
#E3EDE6
oklch(93.7% 0.014 155.6)
-
Step 200
200
#CCDED2
oklch(88.4% 0.025 156.7)
-
Step 300
300
#A9CAB5
oklch(80.9% 0.046 157.3)
-
Step 400
400
#7AAF8E
oklch(70.7% 0.074 156.6)
-
Step 500
500
#569A73
oklch(63% 0.092 157.3)
-
Step 600
600
#38855B
oklch(55.7% 0.101 156.8)
-
Step 700
700
#29704B
oklch(49% 0.093 157.3)
-
Step 800
800 (this color)
#21593B
oklch(41.8% 0.078 157)
-
Step 900
900
#234B34
oklch(37.6% 0.061 156.6)
-
Step 950
950
#152C1F
oklch(27% 0.038 157.7)
#21593B 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) | #585239 | 0.071 |
| Deuteranopia (no green cones) | #514D3D | 0.069 |
| Tritanopia (no blue cones) | #0C5851 | 0.037 |
| Achromatopsia (no color) | #4F4F4F | 0.078 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21593B
#21593B
oklch(41.8% 0.078 157)
- #673B5C
#673B5C
oklch(41.8% 0.078 336.8)
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 #21593B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.021
- Spruce #0A5F38 ΔE 0.024
- Dark Blue Green #005249 ΔE 0.041
- Dark Green Blue #1F6357 ΔE 0.046
- Navy Green #35530A ΔE 0.050
- Dark Slate Gray #2F4F4F ΔE 0.056
- Deep Teal #00555A ΔE 0.057
- Deep Green #02590F ΔE 0.058
Use #21593B 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.