#42591D
Closest named color: Army Green (#4B5D16). oklch(43.1% 0.09 127.6), rgb(66, 89, 29).
Aa
White text reads best on this color (7.84:1).
About this color
#42591D is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.090 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.020 away. White text reads best on it, at 7.84:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #42591D |
| RGB | rgb(66, 89, 29) |
| HSL | hsl(83, 51%, 23%) |
| OKLCH | oklch(43.1% 0.09 127.6) |
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 #42591D | 7.84:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #42591D | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #42591D text on white | 7.84:1 | AAA | Lc 87.1 | Fine for body text |
| #42591D text on black | 2.67:1 | Fails | Lc -15.0 | 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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E7ECE1
oklch(93.6% 0.016 126.8)
-
Step 200
200
#D4DDC9
oklch(88.5% 0.029 126.8)
-
Step 300
300
#B7C8A3
oklch(81% 0.054 127.7)
-
Step 400
400
#92AB71
oklch(70.8% 0.085 127.4)
-
Step 500
500
#77964B
oklch(63.2% 0.108 127.7)
-
Step 600
600
#60802C
oklch(55.7% 0.118 127.6)
-
Step 700
700
#4F6C1F
oklch(49.2% 0.109 127.8)
-
Step 800
800 (this color)
#42591D
oklch(43.1% 0.09 127.6)
-
Step 900
900
#37481D
oklch(37.6% 0.069 127.3)
-
Step 950
950
#202A12
oklch(26.8% 0.043 127.6)
#42591D 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) | #5E5316 | 0.044 |
| Deuteranopia (no green cones) | #5A5121 | 0.045 |
| Tritanopia (no blue cones) | #44554C | 0.070 |
| Achromatopsia (no color) | #525252 | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42591D
#42591D
oklch(43.1% 0.09 127.6)
- #5E4176
#5E4176
oklch(43.1% 0.091 308.2)
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 #42591D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.020
- Navy Green #35530A ΔE 0.031
- Pine #2B5D34 ΔE 0.031
- Camouflage Green #4B6113 ΔE 0.031
- Green Brown #544E03 ΔE 0.039
- Camo Green #526525 ΔE 0.046
- Spruce #0A5F38 ΔE 0.048
- Olive Brown #645403 ΔE 0.052
Use #42591D 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.