#677A37
Closest named color: Military Green (#667C3E). oklch(54.9% 0.095 122.7), rgb(103, 122, 55).
Aa
White text reads best on this color (4.75:1).
About this color
#677A37 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.095 and its hue 123°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Military Green (#667C3E), ΔE 0.008 away. White text reads best on it, at 4.75:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.095) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.41:1 |
| White text | 4.75:1 |
Values
| HEX | #677A37 |
| RGB | rgb(103, 122, 55) |
| HSL | hsl(77, 38%, 35%) |
| OKLCH | oklch(54.9% 0.095 122.7) |
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 #677A37 | 4.75:1 | AA | Lc -78.4 | Fine for body text |
| Black text on #677A37 | 4.41:1 | AA large text | Lc 31.1 | Non-text elements, placeholder text |
| #677A37 text on white | 4.75:1 | AA | Lc 73.0 | Content text, not long reading |
| #677A37 text on black | 4.41:1 | AA large text | Lc -28.7 | 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
#F5F6F2
oklch(97.1% 0.005 117.9)
-
Step 100
100
#E8EBE2
oklch(93.5% 0.012 121.7)
-
Step 200
200
#D6DCCB
oklch(88.5% 0.024 122.8)
-
Step 300
300
#BBC6A7
oklch(81% 0.044 123.3)
-
Step 400
400
#99A878
oklch(70.7% 0.069 122.3)
-
Step 500
500
#809255
oklch(63.1% 0.087 122.3)
-
Step 600
600 (this color)
#677A37
oklch(54.9% 0.095 122.7)
-
Step 700
700
#58692B
oklch(49.2% 0.089 122.5)
-
Step 800
800
#485525
oklch(42.6% 0.073 122.1)
-
Step 900
900
#3C4723
oklch(37.8% 0.058 123.1)
-
Step 950
950
#232915
oklch(26.9% 0.036 122.4)
#677A37 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) | #807331 | 0.040 |
| Deuteranopia (no green cones) | #7E733B | 0.041 |
| Tritanopia (no blue cones) | #6C746B | 0.080 |
| Achromatopsia (no color) | #737373 | 0.096 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677A37
#677A37
oklch(54.9% 0.095 122.7)
- #7C639F
#7C639F
oklch(54.9% 0.095 302.6)
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 #677A37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.008
- Muddy Green #657432 ΔE 0.018
- Swamp #698339 ΔE 0.027
- Murky Green #6C7A0E ΔE 0.029
- Olive Green #677A04 ΔE 0.033
- Khaki Green #728639 ΔE 0.040
- Dark Sage #598556 ΔE 0.040
- Brown Green #706C11 ΔE 0.042
Use #677A37 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.