#677737
Closest named color: Muddy Green (#657432). oklch(54.1% 0.091 121.1), rgb(103, 119, 55).
Aa
White text reads best on this color (4.91:1).
About this color
#677737 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 54%, its chroma 0.091 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Muddy Green (#657432), ΔE 0.010 away. White text reads best on it, at 4.91:1.
| Hue family | Yellows |
| Lightness | medium-dark (54%) |
| Chroma | moderately saturated (0.091) |
| Temperature | in between |
| Nearest name | Muddy Green (#657432) |
| Black text | 4.27:1 |
| White text | 4.91:1 |
Values
| HEX | #677737 |
| RGB | rgb(103, 119, 55) |
| HSL | hsl(75, 37%, 34%) |
| OKLCH | oklch(54.1% 0.091 121.1) |
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 #677737 | 4.91:1 | AA | Lc -79.4 | Fine for body text |
| Black text on #677737 | 4.27:1 | AA large text | Lc 30.1 | Non-text elements, placeholder text |
| #677737 text on white | 4.91:1 | AA | Lc 74.0 | Content text, not long reading |
| #677737 text on black | 4.27:1 | AA large text | Lc -27.7 | 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
#E8EBE3
oklch(93.6% 0.011 123.5)
-
Step 200
200
#D7DCCB
oklch(88.6% 0.023 120.2)
-
Step 300
300
#BCC5A8
oklch(80.9% 0.041 121.3)
-
Step 400
400
#9AA779
oklch(70.6% 0.066 120.9)
-
Step 500
500
#829157
oklch(63% 0.083 120.6)
-
Step 600
600 (this color)
#677737
oklch(54.1% 0.091 121.1)
-
Step 700
700
#59682D
oklch(49.1% 0.085 121.5)
-
Step 800
800
#495527
oklch(42.7% 0.07 121.5)
-
Step 900
900
#3D4624
oklch(37.7% 0.054 121.2)
-
Step 950
950
#242916
oklch(27% 0.034 120.7)
#677737 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) | #7E7131 | 0.036 |
| Deuteranopia (no green cones) | #7C713B | 0.037 |
| Tritanopia (no blue cones) | #6C7268 | 0.074 |
| Achromatopsia (no color) | #707070 | 0.091 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677737
#677737
oklch(54.1% 0.091 121.1)
- #78629B
#78629B
oklch(54.1% 0.09 301.2)
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 #677737, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Muddy Green #657432 ΔE 0.010
- Military Green #667C3E ΔE 0.014
- Murky Green #6C7A0E ΔE 0.033
- Swamp #698339 ΔE 0.036
- Brown Green #706C11 ΔE 0.036
- Dark Moss Green #606C38 ΔE 0.036
- Browny Green #6F6C0A ΔE 0.037
- Olive Green #677A04 ΔE 0.037
Use #677737 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.