#424E21
Closest named color: Green Brown (#544E03). oklch(40.2% 0.069 121.9), rgb(66, 78, 33).
Aa
White text reads best on this color (8.96:1).
About this color
#424E21 is a dark, muted brown. In OKLCH its lightness is 40%, its chroma 0.069 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 0.033 away. White text reads best on it, at 8.96:1.
| Hue family | Browns |
| Lightness | dark (40%) |
| Chroma | muted (0.069) |
| Temperature | in between |
| Nearest name | Green Brown (#544E03) |
| Black text | 2.34:1 |
| White text | 8.96:1 |
Values
| HEX | #424E21 |
| RGB | rgb(66, 78, 33) |
| HSL | hsl(76, 41%, 22%) |
| OKLCH | oklch(40.2% 0.069 121.9) |
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 #424E21 | 8.96:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #424E21 | 2.34:1 | Fails | Lc 13.5 | Not readable |
| #424E21 text on white | 8.96:1 | AAA | Lc 90.5 | Preferred for body text |
| #424E21 text on black | 2.34:1 | Fails | Lc -11.8 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D6DCCC
oklch(88.5% 0.022 123.7)
-
Step 300
300
#BCC5A9
oklch(80.9% 0.04 121.8)
-
Step 400
400
#9AA77A
oklch(70.6% 0.064 121.1)
-
Step 500
500
#819258
oklch(63.2% 0.083 122.1)
-
Step 600
600
#6B7C3D
oklch(55.7% 0.09 121.8)
-
Step 700
700
#59682F
oklch(49.1% 0.083 121.7)
-
Step 800
800 (this color)
#424E21
oklch(40.2% 0.069 121.9)
-
Step 900
900
#3D4625
oklch(37.7% 0.053 121.5)
-
Step 950
950
#242916
oklch(27% 0.034 120.7)
#424E21 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) | #524A1D | 0.027 |
| Deuteranopia (no green cones) | #514924 | 0.030 |
| Tritanopia (no blue cones) | #454A44 | 0.058 |
| Achromatopsia (no color) | #494949 | 0.069 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #424E21
#424E21
oklch(40.2% 0.069 121.9)
- #4F3F67
#4F3F67
oklch(40.2% 0.068 301.8)
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 #424E21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Green Brown #544E03 ΔE 0.033
- Navy Green #35530A ΔE 0.036
- Pine #2B5D34 ΔE 0.049
- Mud Brown #60460F ΔE 0.052
- Army Green #4B5D16 ΔE 0.054
- Dark Olive #373E02 ΔE 0.058
- Olive Brown #645403 ΔE 0.063
- Spruce #0A5F38 ΔE 0.063
Use #424E21 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.