#21573E
Closest named color: Pine (#2B5D34). oklch(41.3% 0.072 160.7), rgb(33, 87, 62).
Aa
White text reads best on this color (8.40:1).
About this color
#21573E is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.072 and its hue 161°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Pine (#2B5D34), ΔE 0.030 away. White text reads best on it, at 8.40:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.072) |
| Temperature | in between |
| Nearest name | Pine (#2B5D34) |
| Black text | 2.49:1 |
| White text | 8.40:1 |
Values
| HEX | #21573E |
| RGB | rgb(33, 87, 62) |
| HSL | hsl(152, 45%, 24%) |
| OKLCH | oklch(41.3% 0.072 160.7) |
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 #21573E | 8.40:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #21573E | 2.49:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #21573E text on white | 8.40:1 | AAA | Lc 88.8 | Fine for body text |
| #21573E text on black | 2.49:1 | Fails | Lc -13.4 | 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
#E3ECE7
oklch(93.5% 0.012 162)
-
Step 200
200
#CDDED4
oklch(88.5% 0.023 160.2)
-
Step 300
300
#AAC9B8
oklch(80.8% 0.041 161.4)
-
Step 400
400
#7BAE93
oklch(70.7% 0.067 160.9)
-
Step 500
500
#579A78
oklch(63.2% 0.086 160.4)
-
Step 600
600
#3A8461
oklch(55.6% 0.093 160.6)
-
Step 700
700
#2B7050
oklch(49.2% 0.087 160.4)
-
Step 800
800 (this color)
#21573E
oklch(41.3% 0.072 160.7)
-
Step 900
900
#244B38
oklch(37.8% 0.056 160.9)
-
Step 950
950
#162C21
oklch(27.1% 0.035 161)
#21573E 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) | #56513D | 0.068 |
| Deuteranopia (no green cones) | #4E4B40 | 0.066 |
| Tritanopia (no blue cones) | #0A5750 | 0.030 |
| Achromatopsia (no color) | #4D4D4D | 0.072 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #21573E
#21573E
oklch(41.3% 0.072 160.7)
- #653B57
#653B57
oklch(41.3% 0.071 340.5)
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 #21573E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Pine #2B5D34 ΔE 0.030
- Spruce #0A5F38 ΔE 0.032
- Dark Blue Green #005249 ΔE 0.033
- Dark Green Blue #1F6357 ΔE 0.047
- Dark Slate Gray #2F4F4F ΔE 0.047
- Deep Teal #00555A ΔE 0.050
- Dark Teal #014D4E ΔE 0.053
- Navy Green #35530A ΔE 0.055
Use #21573E 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.