#256511
Closest named color: Dark Green (#006400). oklch(44.8% 0.132 139.7), rgb(37, 101, 17).
Aa
White text reads best on this color (7.12:1).
About this color
#256511 is a dark, moderately saturated green. In OKLCH its lightness is 45%, its chroma 0.132 and its hue 140°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Green (#006400), ΔE 0.022 away. White text reads best on it, at 7.12:1.
| Hue family | Greens |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.132) |
| Temperature | in between |
| Nearest name | Dark Green (#006400) |
| Black text | 2.94:1 |
| White text | 7.12:1 |
Values
| HEX | #256511 |
| RGB | rgb(37, 101, 17) |
| HSL | hsl(106, 71%, 23%) |
| OKLCH | oklch(44.8% 0.132 139.7) |
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 #256511 | 7.12:1 | AAA | Lc -89.3 | Fine for body text |
| Black text on #256511 | 2.94:1 | Fails | Lc 19.7 | Dividers and decoration only |
| #256511 text on white | 7.12:1 | AAA | Lc 84.4 | Fine for body text |
| #256511 text on black | 2.94:1 | Fails | Lc -17.6 | 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
#E2EEE0
oklch(93.6% 0.023 141.2)
-
Step 200
200
#CBE1C6
oklch(88.6% 0.043 139.9)
-
Step 300
300
#A7CD9E
oklch(80.8% 0.076 139.7)
-
Step 400
400
#76B368
oklch(70.7% 0.123 139.8)
-
Step 500
500
#509F3B
oklch(63% 0.157 139.6)
-
Step 600
600
#308910
oklch(55.5% 0.17 139.6)
-
Step 700
700
#237400
oklch(49% 0.157 139.6)
-
Step 800
800 (this color)
#256511
oklch(44.8% 0.132 139.7)
-
Step 900
900
#1F4E12
oklch(37.7% 0.103 139.7)
-
Step 950
950
#132E0D
oklch(27.1% 0.065 140.1)
#256511 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) | #685B00 | 0.087 |
| Deuteranopia (no green cones) | #60561B | 0.088 |
| Tritanopia (no blue cones) | #1D6155 | 0.089 |
| Achromatopsia (no color) | #585858 | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #256511
#256511
oklch(44.8% 0.132 139.7)
- #733881
#733881
oklch(44.8% 0.13 319.6)
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 #256511, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Green #006400 ΔE 0.022
- Camouflage Green #4B6113 ΔE 0.042
- Deep Green #02590F ΔE 0.046
- Army Green #4B5D16 ΔE 0.048
- Spruce #0A5F38 ΔE 0.050
- Pine #2B5D34 ΔE 0.051
- Navy Green #35530A ΔE 0.056
- Forest #0B5509 ΔE 0.057
Use #256511 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.