#256521
Closest named color: Dark Green (#006400). oklch(45% 0.12 142.3), rgb(37, 101, 33).
Aa
White text reads best on this color (7.08:1).
About this color
#256521 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.120 and its hue 142°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.031 away. White text reads best on it, at 7.08:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.120) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.96:1 |
| White text | 7.08:1 |
Values
| HEX | #256521 |
| RGB | rgb(37, 101, 33) |
| HSL | hsl(116, 51%, 26%) |
| OKLCH | oklch(45% 0.12 142.3) |
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 #256521 | 7.08:1 | AAA | Lc -89.2 | Fine for body text |
| Black text on #256521 | 2.96:1 | Fails | Lc 19.8 | Dividers and decoration only |
| #256521 text on white | 7.08:1 | AAA | Lc 84.3 | Fine for body text |
| #256521 text on black | 2.96:1 | Fails | Lc -17.7 | Dividers and decoration only |
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
#F2F7F1
oklch(97.1% 0.01 140.5)
-
Step 100
100
#E2EEE1
oklch(93.7% 0.021 143.2)
-
Step 200
200
#CBE0C9
oklch(88.5% 0.038 142.8)
-
Step 300
300
#A7CDA3
oklch(81% 0.071 142.4)
-
Step 400
400
#76B271
oklch(70.6% 0.112 142.5)
-
Step 500
500
#509F4A
oklch(63.2% 0.144 142.3)
-
Step 600
600
#2F892A
oklch(55.6% 0.157 142.4)
-
Step 700
700
#20741C
oklch(49.1% 0.146 142.4)
-
Step 800
800 (this color)
#256521
oklch(45% 0.12 142.3)
-
Step 900
900
#1F4E1C
oklch(37.8% 0.094 142.4)
-
Step 950
950
#132E11
oklch(27.1% 0.061 142.4)
#256521 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) | #675C19 | 0.085 |
| Deuteranopia (no green cones) | #5F5627 | 0.086 |
| Tritanopia (no blue cones) | #1A6257 | 0.078 |
| Achromatopsia (no color) | #585858 | 0.121 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256521
#256521
oklch(45% 0.12 142.3)
- #733B7C
#733B7C
oklch(45% 0.12 321.9)
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 #256521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.031
- Camouflage Green #4B6113 ΔE 0.039
- Pine #2B5D34 ΔE 0.040
- Spruce #0A5F38 ΔE 0.040
- Army Green #4B5D16 ΔE 0.044
- Deep Green #02590F ΔE 0.047
- Camo Green #526525 ΔE 0.052
- Navy Green #35530A ΔE 0.054
Use #256521 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.