#677B23
Closest named color: Murky Green (#6C7A0E). oklch(54.9% 0.115 121.4), rgb(103, 123, 35).
Aa
White text reads best on this color (4.73:1).
About this color
#677B23 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 55%, its chroma 0.115 and its hue 121°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Murky Green (#6C7A0E), ΔE 0.011 away. White text reads best on it, at 4.73:1.
| Hue family | Yellows |
| Lightness | medium-dark (55%) |
| Chroma | moderately saturated (0.115) |
| Temperature | in between |
| Nearest name | Murky Green (#6C7A0E) |
| Black text | 4.43:1 |
| White text | 4.73:1 |
Values
| HEX | #677B23 |
| RGB | rgb(103, 123, 35) |
| HSL | hsl(74, 56%, 31%) |
| OKLCH | oklch(54.9% 0.115 121.4) |
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 #677B23 | 4.73:1 | AA | Lc -78.2 | Fine for body text |
| Black text on #677B23 | 4.43:1 | AA large text | Lc 31.3 | Non-text elements, placeholder text |
| #677B23 text on white | 4.73:1 | AA | Lc 72.8 | Content text, not long reading |
| #677B23 text on black | 4.43:1 | AA large text | Lc -28.9 | 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
#E8ECE1
oklch(93.7% 0.015 123)
-
Step 200
200
#D6DCC8
oklch(88.4% 0.028 120.6)
-
Step 300
300
#BBC6A2
oklch(80.8% 0.051 121.3)
-
Step 400
400
#98A96E
oklch(70.7% 0.083 121.6)
-
Step 500
500
#7F9346
oklch(63% 0.106 121.5)
-
Step 600
600 (this color)
#677B23
oklch(54.9% 0.115 121.4)
-
Step 700
700
#576918
oklch(48.9% 0.106 121.5)
-
Step 800
800
#485617
oklch(42.7% 0.088 121.1)
-
Step 900
900
#3C471A
oklch(37.7% 0.068 121.3)
-
Step 950
950
#232A10
oklch(27.1% 0.044 121.8)
#677B23 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) | #837315 | 0.045 |
| Deuteranopia (no green cones) | #80732A | 0.045 |
| Tritanopia (no blue cones) | #6D7469 | 0.096 |
| Achromatopsia (no color) | #737373 | 0.115 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677B23
#677B23
oklch(54.9% 0.115 121.4)
- #7D60A9
#7D60A9
oklch(54.9% 0.114 301)
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 #677B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Murky Green #6C7A0E ΔE 0.011
- Olive Green #677A04 ΔE 0.014
- Military Green #667C3E ΔE 0.025
- Swamp #698339 ΔE 0.027
- Muddy Green #657432 ΔE 0.028
- Khaki Green #728639 ΔE 0.039
- Swamp Green #748500 ΔE 0.040
- Browny Green #6F6C0A ΔE 0.042
Use #677B23 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.