#4B5437
Closest named color: Green Brown (#544E03). oklch(43% 0.047 122.4), rgb(75, 84, 55).
Aa
White text reads best on this color (8.00:1).
About this color
#4B5437 is a dark, muted brown. In OKLCH its lightness is 43%, its chroma 0.047 and its hue 122°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Green Brown (#544E03), ΔE 0.046 away. White text reads best on it, at 8.00:1.
| Hue family | Browns |
| Lightness | dark (43%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.62:1 |
| White text | 8.00:1 |
Values
| HEX | #4B5437 |
| RGB | rgb(75, 84, 55) |
| HSL | hsl(79, 21%, 27%) |
| OKLCH | oklch(43% 0.047 122.4) |
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 #4B5437 | 8.00:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #4B5437 | 2.62:1 | Fails | Lc 16.3 | Dividers and decoration only |
| #4B5437 text on white | 8.00:1 | AAA | Lc 87.7 | Fine for body text |
| #4B5437 text on black | 2.62:1 | Fails | Lc -14.4 | 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
#F5F6F3
oklch(97.2% 0.004 121.6)
-
Step 100
100
#E9EBE5
oklch(93.7% 0.008 121.6)
-
Step 200
200
#D7DBD0
oklch(88.5% 0.015 123.1)
-
Step 300
300
#BDC4B1
oklch(81% 0.027 123.5)
-
Step 400
400
#9BA587
oklch(70.6% 0.044 122.5)
-
Step 500
500
#838F6A
oklch(63% 0.055 122.6)
-
Step 600
600
#6D7951
oklch(55.5% 0.06 121.9)
-
Step 700
700
#5B6642
oklch(49.1% 0.056 122.3)
-
Step 800
800 (this color)
#4B5437
oklch(43% 0.047 122.4)
-
Step 900
900
#3E452F
oklch(37.7% 0.037 122.5)
-
Step 950
950
#24281C
oklch(26.9% 0.022 122.9)
#4B5437 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) | #575135 | 0.020 |
| Deuteranopia (no green cones) | #565038 | 0.021 |
| Tritanopia (no blue cones) | #4D514C | 0.038 |
| Achromatopsia (no color) | #505050 | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5437
#4B5437
oklch(43% 0.047 122.4)
- #544A65
#544A65
oklch(43% 0.046 301.5)
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 #4B5437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.046
- Pine #2B5D34 ΔE 0.048
- Army Green #4B5D16 ΔE 0.053
- Mud Brown #60460F ΔE 0.055
- Olive Brown #645403 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.058
- Navy Green #35530A ΔE 0.062
- Dark Green Blue #1F6357 ΔE 0.064
Use #4B5437 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.