#678639
Closest named color: Swamp (#698339). oklch(57.9% 0.111 127.8), rgb(103, 134, 57).
Aa
Black text reads best on this color (5.04:1).
About this color
#678639 is a medium-dark, moderately saturated green. In OKLCH its lightness is 58%, its chroma 0.111 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.009 away. Black text reads best on it, at 5.04:1.
| Hue family | Greens |
| Lightness | medium-dark (58%) |
| Chroma | moderately saturated (0.111) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 5.04:1 |
| White text | 4.16:1 |
Values
| HEX | #678639 |
| RGB | rgb(103, 134, 57) |
| HSL | hsl(84, 40%, 37%) |
| OKLCH | oklch(57.9% 0.111 127.8) |
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 #678639 | 4.16:1 | AA large text | Lc -74.1 | Content text, not long reading |
| Black text on #678639 | 5.04:1 | AA | Lc 35.5 | Non-text elements, placeholder text |
| #678639 text on white | 4.16:1 | AA large text | Lc 68.6 | Content text, not long reading |
| #678639 text on black | 5.04:1 | AA | Lc -33.1 | 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
#F4F6F2
oklch(97.1% 0.006 128.5)
-
Step 100
100
#E7ECE2
oklch(93.7% 0.014 128.6)
-
Step 200
200
#D4DDCA
oklch(88.5% 0.027 127.8)
-
Step 300
300
#B7C7A5
oklch(80.8% 0.05 128)
-
Step 400
400
#92AA74
oklch(70.6% 0.08 127.8)
-
Step 500
500
#78954F
oklch(63.1% 0.102 127.5)
-
Step 600
600 (this color)
#678639
oklch(57.9% 0.111 127.8)
-
Step 700
700
#506B24
oklch(49% 0.103 127.5)
-
Step 800
800
#415720
oklch(42.5% 0.085 127.9)
-
Step 900
900
#37481F
oklch(37.6% 0.067 127.9)
-
Step 950
950
#202A13
oklch(26.9% 0.042 128.2)
#678639 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) | #8C7E31 | 0.055 |
| Deuteranopia (no green cones) | #887C3E | 0.056 |
| Tritanopia (no blue cones) | #6A8075 | 0.088 |
| Achromatopsia (no color) | #7C7C7C | 0.111 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #678639
#678639
oklch(57.9% 0.111 127.8)
- #8C67AC
#8C67AC
oklch(57.9% 0.11 308)
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 #678639, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.009
- Khaki Green #728639 ΔE 0.015
- Moss Green #658B38 ΔE 0.015
- Mossy Green #638B27 ΔE 0.026
- Fern Green #548D44 ΔE 0.026
- Military Green #667C3E ΔE 0.032
- Swamp Green #748500 ΔE 0.032
- Olive Drab #6B8E23 ΔE 0.034
Use #678639 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.