#42591A
Closest named color: Army Green (#4B5D16). oklch(43.1% 0.093 127.1), rgb(66, 89, 26).
Aa
White text reads best on this color (7.84:1).
About this color
#42591A is a dark, moderately saturated green. In OKLCH its lightness is 43%, its chroma 0.093 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Army Green (#4B5D16), ΔE 0.019 away. White text reads best on it, at 7.84:1.
| Hue family | Greens |
| Lightness | dark (43%) |
| Chroma | moderately saturated (0.093) |
| Temperature | in between |
| Nearest name | Army Green (#4B5D16) |
| Black text | 2.67:1 |
| White text | 7.84:1 |
Values
| HEX | #42591A |
| RGB | rgb(66, 89, 26) |
| HSL | hsl(82, 55%, 23%) |
| OKLCH | oklch(43.1% 0.093 127.1) |
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 #42591A | 7.84:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #42591A | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #42591A text on white | 7.84:1 | AAA | Lc 87.1 | Fine for body text |
| #42591A 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
#D4DDC8
oklch(88.5% 0.03 126)
-
Step 300
300
#B7C8A2
oklch(81% 0.055 127.2)
-
Step 400
400
#92AB70
oklch(70.7% 0.086 127.1)
-
Step 500
500
#779648
oklch(63.2% 0.111 127.2)
-
Step 600
600
#608028
oklch(55.7% 0.121 127.2)
-
Step 700
700
#4F6C1A
oklch(49.1% 0.113 127.3)
-
Step 800
800 (this color)
#42591A
oklch(43.1% 0.093 127.1)
-
Step 900
900
#37481B
oklch(37.6% 0.072 126.9)
-
Step 950
950
#202B11
oklch(27.1% 0.047 128.1)
#42591A 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) | #5E5312 | 0.044 |
| Deuteranopia (no green cones) | #5B511F | 0.046 |
| Tritanopia (no blue cones) | #45554C | 0.073 |
| Achromatopsia (no color) | #525252 | 0.093 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #42591A
#42591A
oklch(43.1% 0.093 127.1)
- #5E4177
#5E4177
oklch(43.1% 0.092 307.7)
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 #42591A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Army Green #4B5D16 ΔE 0.019
- Navy Green #35530A ΔE 0.030
- Camouflage Green #4B6113 ΔE 0.030
- Pine #2B5D34 ΔE 0.033
- Green Brown #544E03 ΔE 0.039
- Camo Green #526525 ΔE 0.046
- Spruce #0A5F38 ΔE 0.049
- Olive Brown #645403 ΔE 0.052
Use #42591A 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.