#677B37
Closest named color: Military Green (#667C3E). oklch(55.1% 0.097 123.2), rgb(103, 123, 55).
Aa
White text reads best on this color (4.70:1).
About this color
#677B37 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.097 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 0.007 away. White text reads best on it, at 4.70:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.097) |
| Temperature | in between |
| Nearest name | Military Green (#667C3E) |
| Black text | 4.46:1 |
| White text | 4.70:1 |
Values
| HEX | #677B37 |
| RGB | rgb(103, 123, 55) |
| HSL | hsl(78, 38%, 35%) |
| OKLCH | oklch(55.1% 0.097 123.2) |
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 #677B37 | 4.70:1 | AA | Lc -78.0 | Fine for body text |
| Black text on #677B37 | 4.46:1 | AA large text | Lc 31.5 | Non-text elements, placeholder text |
| #677B37 text on white | 4.70:1 | AA | Lc 72.6 | Content text, not long reading |
| #677B37 text on black | 4.46:1 | AA large text | Lc -29.1 | 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
#98A878
oklch(70.7% 0.069 123.1)
-
Step 500
500
#7F9254
oklch(63% 0.089 122.9)
-
Step 600
600 (this color)
#677B37
oklch(55.1% 0.097 123.2)
-
Step 700
700
#57692B
oklch(49.1% 0.09 123.2)
-
Step 800
800
#475625
oklch(42.8% 0.075 123.6)
-
Step 900
900
#3C4723
oklch(37.8% 0.058 123.1)
-
Step 950
950
#232915
oklch(26.9% 0.036 122.4)
#677B37 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) | #817431 | 0.041 |
| Deuteranopia (no green cones) | #7F733B | 0.043 |
| Tritanopia (no blue cones) | #6B756C | 0.081 |
| Achromatopsia (no color) | #747474 | 0.097 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677B37
#677B37
oklch(55.1% 0.097 123.2)
- #7D63A0
#7D63A0
oklch(55% 0.097 303)
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 #677B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Military Green #667C3E ΔE 0.007
- Muddy Green #657432 ΔE 0.021
- Swamp #698339 ΔE 0.024
- Murky Green #6C7A0E ΔE 0.028
- Olive Green #677A04 ΔE 0.032
- Khaki Green #728639 ΔE 0.037
- Dark Sage #598556 ΔE 0.039
- Brown Green #706C11 ΔE 0.044
Use #677B37 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.