#677F2B
Closest named color: Swamp (#698339). oklch(56% 0.114 123.7), rgb(103, 127, 43).
Aa
Black text reads best on this color (4.64:1).
About this color
#677F2B is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 56%, its chroma 0.114 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.016 away. Black text reads best on it, at 4.64:1.
| Hue family | Yellows |
| Lightness | medium-dark (56%) |
| Chroma | moderately saturated (0.114) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.64:1 |
| White text | 4.51:1 |
Values
| HEX | #677F2B |
| RGB | rgb(103, 127, 43) |
| HSL | hsl(77, 49%, 33%) |
| OKLCH | oklch(56% 0.114 123.7) |
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 #677F2B | 4.51:1 | AA | Lc -76.7 | Fine for body text |
| Black text on #677F2B | 4.64:1 | AA | Lc 32.8 | Non-text elements, placeholder text |
| #677F2B text on white | 4.51:1 | AA | Lc 71.3 | Content text, not long reading |
| #677F2B text on black | 4.64:1 | 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
#D5DDC8
oklch(88.6% 0.03 124)
-
Step 300
300
#BAC7A3
oklch(81% 0.051 123.7)
-
Step 400
400
#96AA70
oklch(70.8% 0.083 124)
-
Step 500
500
#7D9449
oklch(63.1% 0.105 123.5)
-
Step 600
600 (this color)
#677F2B
oklch(56% 0.114 123.7)
-
Step 700
700
#556A1C
oklch(49.1% 0.105 123.4)
-
Step 800
800
#45571A
oklch(42.8% 0.088 124.1)
-
Step 900
900
#3A471C
oklch(37.6% 0.067 123.6)
-
Step 950
950
#222A11
oklch(27% 0.044 123.9)
#677F2B 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) | #867720 | 0.048 |
| Deuteranopia (no green cones) | #837631 | 0.050 |
| Tritanopia (no blue cones) | #6C796E | 0.094 |
| Achromatopsia (no color) | #767676 | 0.114 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #677F2B
#677F2B
oklch(56% 0.114 123.7)
- #8362AA
#8362AA
oklch(55.9% 0.113 304.1)
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 #677F2B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.016
- Murky Green #6C7A0E ΔE 0.019
- Olive Green #677A04 ΔE 0.022
- Military Green #667C3E ΔE 0.023
- Khaki Green #728639 ΔE 0.029
- Moss Green #658B38 ΔE 0.034
- Swamp Green #748500 ΔE 0.034
- Muddy Green #657432 ΔE 0.036
Use #677F2B 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.