#677828
Closest named color: Muddy Green (#657432). oklch(54.2% 0.107 120.3), rgb(103, 120, 40).
Aa
White text reads best on this color (4.89:1).
About this color
#677828 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 54%, its chroma 0.107 and its hue 120°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.017 away. White text reads best on it, at 4.89:1.
| Hue family | Yellows |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.107) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.29:1 |
| White text | 4.89:1 |
Values
| HEX | #677828 |
| RGB | rgb(103, 120, 40) |
| HSL | hsl(73, 50%, 31%) |
| OKLCH | oklch(54.2% 0.107 120.3) |
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 #677828 | 4.89:1 | AA | Lc -79.2 | Fine for body text |
| Black text on #677828 | 4.29:1 | AA large text | Lc 30.3 | Non-text elements, placeholder text |
| #677828 text on white | 4.89:1 | AA | Lc 73.8 | Content text, not long reading |
| #677828 text on black | 4.29:1 | AA large text | Lc -27.9 | 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 600.
-
Step 50
50
#F5F6F1
oklch(97.1% 0.007 115.7)
-
Step 100
100
#E8EBE1
oklch(93.5% 0.014 120.3)
-
Step 200
200
#D6DCC9
oklch(88.5% 0.026 121.2)
-
Step 300
300
#BCC6A3
oklch(80.9% 0.049 120.5)
-
Step 400
400
#9AA872
oklch(70.7% 0.076 120.2)
-
Step 500
500
#81924B
oklch(63% 0.098 120.4)
-
Step 600
600 (this color)
#677828
oklch(54.2% 0.107 120.3)
-
Step 700
700
#59691F
oklch(49.2% 0.1 120.7)
-
Step 800
800
#49551C
oklch(42.6% 0.082 120.1)
-
Step 900
900
#3D471D
oklch(37.8% 0.065 120.7)
-
Step 950
950
#242912
oklch(26.9% 0.039 119.2)
#677828 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) | #7F711E | 0.039 |
| Deuteranopia (no green cones) | #7D712E | 0.040 |
| Tritanopia (no blue cones) | #6D7267 | 0.089 |
| Achromatopsia (no color) | #717171 | 0.107 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677828
#677828
oklch(54.2% 0.107 120.3)
- #7960A4
#7960A4
oklch(54.3% 0.106 299.8)
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 #677828, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.017
- Murky Green #6C7A0E ΔE 0.018
- Military Green #667C3E ΔE 0.021
- Olive Green #677A04 ΔE 0.022
- Swamp #698339 ΔE 0.032
- Brown Green #706C11 ΔE 0.034
- Browny Green #6F6C0A ΔE 0.034
- Khaki Green #728639 ΔE 0.045
Use #677828 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.