#005521
Closest named color: Forest (#0B5509). oklch(39.3% 0.111 149.1), rgb(0, 85, 33).
Aa
White text reads best on this color (9.04:1).
About this color
#005521 is a dark, moderately saturated green. In OKLCH its lightness is 39%, its chroma 0.111 and its hue 149°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Forest (#0B5509), ΔE 0.020 away. White text reads best on it, at 9.04:1.
| Hue family | Greens |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Forest (#0B5509) |
| Black text | 2.32:1 |
| White text | 9.04:1 |
Values
| HEX | #005521 |
| RGB | rgb(0, 85, 33) |
| HSL | hsl(143, 100%, 17%) |
| OKLCH | oklch(39.3% 0.111 149.1) |
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 #005521 | 9.04:1 | AAA | Lc -94.7 | Preferred for body text |
| Black text on #005521 | 2.32:1 | Fails | Lc 13.7 | Not readable |
| #005521 text on white | 9.04:1 | AAA | Lc 90.2 | Preferred for body text |
| #005521 text on black | 2.32:1 | Fails | Lc -12.1 | 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 900.
-
Step 50
50
#F1F8F1
oklch(97.2% 0.012 145.5)
-
Step 100
100
#DFEFE1
oklch(93.6% 0.025 149.1)
-
Step 200
200
#C5E2C9
oklch(88.5% 0.046 149.2)
-
Step 300
300
#9BD0A4
oklch(80.9% 0.083 149.4)
-
Step 400
400
#5EB772
oklch(70.6% 0.132 149.3)
-
Step 500
500
#1BA44B
oklch(63.1% 0.169 149.1)
-
Step 600
600
#008B3B
oklch(55.6% 0.156 149.2)
-
Step 700
700
#007530
oklch(49.1% 0.138 149)
-
Step 800
800
#006026
oklch(42.7% 0.12 149)
-
Step 900
900 (this color)
#005521
oklch(39.3% 0.111 149.1)
-
Step 950
950
#052F12
oklch(26.9% 0.069 149.3)
#005521 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) | #564C1C | 0.090 |
| Deuteranopia (no green cones) | #4D4625 | 0.088 |
| Tritanopia (no blue cones) | #005349 | 0.063 |
| Achromatopsia (no color) | #494949 | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #005521
#005521
oklch(39.3% 0.111 149.1)
- #652C62
#652C62
oklch(39.3% 0.11 329.5)
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 #005521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Forest #0B5509 ΔE 0.020
- Deep Green #02590F ΔE 0.024
- Navy Green #35530A ΔE 0.037
- Bottle Green #044A05 ΔE 0.039
- Spruce #0A5F38 ΔE 0.040
- Darkgreen #054907 ΔE 0.042
- Pine Green #0A481E ΔE 0.043
- British Racing Green #05480D ΔE 0.043
Use #005521 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.