#145B21
Closest named color: Deep Green (#02590F). oklch(41.5% 0.113 146), rgb(20, 91, 33).
Aa
White text reads best on this color (8.24:1).
About this color
#145B21 is a dark, moderately saturated green. In OKLCH its lightness is 41%, its chroma 0.113 and its hue 146°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Deep Green (#02590F), ΔE 0.020 away. White text reads best on it, at 8.24:1.
| Hue family | Greens |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.113) |
| Temperature | in between |
| Nearest name | Deep Green (#02590F) |
| Black text | 2.54:1 |
| White text | 8.24:1 |
Values
| HEX | #145B21 |
| RGB | rgb(20, 91, 33) |
| HSL | hsl(131, 64%, 22%) |
| OKLCH | oklch(41.5% 0.113 146) |
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 #145B21 | 8.24:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #145B21 | 2.54:1 | Fails | Lc 15.9 | Dividers and decoration only |
| #145B21 text on white | 8.24:1 | AAA | Lc 88.1 | Fine for body text |
| #145B21 text on black | 2.54:1 | Fails | Lc -14.1 | 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
#F2F7F2
oklch(97.1% 0.008 145.5)
-
Step 100
100
#E2EEE2
oklch(93.7% 0.02 145.4)
-
Step 200
200
#CAE0CB
oklch(88.5% 0.037 146.5)
-
Step 300
300
#A6CDA7
oklch(81% 0.067 145.6)
-
Step 400
400
#74B278
oklch(70.6% 0.105 145.9)
-
Step 500
500
#4B9F55
oklch(63.2% 0.136 146.2)
-
Step 600
600
#288938
oklch(55.6% 0.148 145.9)
-
Step 700
700
#19742B
oklch(49.1% 0.137 146.1)
-
Step 800
800 (this color)
#145B21
oklch(41.5% 0.113 146)
-
Step 900
900
#1C4E23
oklch(37.8% 0.089 146.2)
-
Step 950
950
#122E15
oklch(27.2% 0.057 146)
#145B21 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) | #5C521B | 0.086 |
| Deuteranopia (no green cones) | #544C26 | 0.087 |
| Tritanopia (no blue cones) | #00594E | 0.067 |
| Achromatopsia (no color) | #4F4F4F | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #145B21
#145B21
oklch(41.5% 0.113 146)
- #6A326C
#6A326C
oklch(41.5% 0.113 326.1)
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 #145B21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Green #02590F ΔE 0.020
- Forest #0B5509 ΔE 0.027
- Spruce #0A5F38 ΔE 0.028
- Pine #2B5D34 ΔE 0.033
- Navy Green #35530A ΔE 0.033
- Dark Green #006400 ΔE 0.042
- Army Green #4B5D16 ΔE 0.056
- Bottle Green #044A05 ΔE 0.059
Use #145B21 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.