#677F2D
Closest named color: Swamp (#698339). oklch(56% 0.112 123.8), rgb(103, 127, 45).
Aa
Black text reads best on this color (4.65:1).
About this color
#677F2D is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 56%, its chroma 0.112 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.015 away. Black text reads best on it, at 4.65:1.
| Hue family | Yellows |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.112) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.65:1 |
| White text | 4.51:1 |
Values
| HEX | #677F2D |
| RGB | rgb(103, 127, 45) |
| HSL | hsl(78, 48%, 34%) |
| OKLCH | oklch(56% 0.112 123.8) |
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 #677F2D | 4.51:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #677F2D | 4.65:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #677F2D text on white | 4.51:1 | AA | Lc 71.3 | Content text, not long reading |
| #677F2D text on black | 4.65:1 | AA | Lc -30.4 | Non-text elements, placeholder text |
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
#F4F6F1
oklch(97% 0.007 124.4)
-
Step 100
100
#E8ECE1
oklch(93.7% 0.015 123)
-
Step 200
200
#D5DDC9
oklch(88.6% 0.028 124.8)
-
Step 300
300
#BAC7A3
oklch(81% 0.051 123.7)
-
Step 400
400
#96A971
oklch(70.6% 0.08 123.7)
-
Step 500
500
#7D944B
oklch(63.2% 0.103 123.7)
-
Step 600
600 (this color)
#677F2D
oklch(56% 0.112 123.8)
-
Step 700
700
#556A1E
oklch(49.1% 0.104 123.6)
-
Step 800
800
#45571B
oklch(42.8% 0.087 124.3)
-
Step 900
900
#3A471D
oklch(37.6% 0.066 123.8)
-
Step 950
950
#222A12
oklch(27% 0.042 124.3)
#677F2D 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) | #867723 | 0.048 |
| Deuteranopia (no green cones) | #837633 | 0.050 |
| Tritanopia (no blue cones) | #6C796E | 0.092 |
| Achromatopsia (no color) | #767676 | 0.112 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677F2D
#677F2D
oklch(56% 0.112 123.8)
- #8363AA
#8363AA
oklch(56.1% 0.112 303.8)
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 #677F2D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.015
- Murky Green #6C7A0E ΔE 0.020
- Military Green #667C3E ΔE 0.022
- Olive Green #677A04 ΔE 0.023
- Khaki Green #728639 ΔE 0.028
- Moss Green #658B38 ΔE 0.034
- Muddy Green #657432 ΔE 0.035
- Swamp Green #748500 ΔE 0.035
Use #677F2D 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.