#688133
Closest named color: Swamp (#698339). oklch(56.6% 0.109 124.7), rgb(104, 129, 51).
Aa
Black text reads best on this color (4.77:1).
About this color
#688133 is a medium-dark, moderately saturated yellow. In OKLCH its lightness is 57%, its chroma 0.109 and its hue 125°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp (#698339), ΔE 0.008 away. Black text reads best on it, at 4.77:1.
| Hue family | Yellows |
| Lightness | medium-dark (57%) |
| Chroma | moderately saturated (0.109) |
| Temperature | in between |
| Nearest name | Swamp (#698339) |
| Black text | 4.77:1 |
| White text | 4.39:1 |
Values
| HEX | #688133 |
| RGB | rgb(104, 129, 51) |
| HSL | hsl(79, 43%, 35%) |
| OKLCH | oklch(56.6% 0.109 124.7) |
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 #688133 | 4.39:1 | AA large text | Lc -75.9 | Fine for body text |
| Black text on #688133 | 4.77:1 | AA | Lc 33.7 | Non-text elements, placeholder text |
| #688133 text on white | 4.39:1 | AA large text | Lc 70.4 | Content text, not long reading |
| #688133 text on black | 4.77:1 | AA | Lc -31.3 | 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
#B9C7A4
oklch(81% 0.05 125.3)
-
Step 400
400
#96A973
oklch(70.6% 0.078 124.1)
-
Step 500
500
#7C944E
oklch(63.1% 0.1 124.7)
-
Step 600
600 (this color)
#688133
oklch(56.6% 0.109 124.7)
-
Step 700
700
#546A22
oklch(49.1% 0.101 124.6)
-
Step 800
800
#45571E
oklch(42.8% 0.084 124.7)
-
Step 900
900
#3A471E
oklch(37.6% 0.065 124)
-
Step 950
950
#222A13
oklch(27% 0.041 124.8)
#688133 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) | #88792B | 0.049 |
| Deuteranopia (no green cones) | #847838 | 0.049 |
| Tritanopia (no blue cones) | #6C7B70 | 0.088 |
| Achromatopsia (no color) | #787878 | 0.109 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688133
#688133
oklch(56.6% 0.109 124.7)
- #8565AA
#8565AA
oklch(56.7% 0.109 304.5)
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 #688133, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp #698339 ΔE 0.008
- Khaki Green #728639 ΔE 0.022
- Military Green #667C3E ΔE 0.022
- Murky Green #6C7A0E ΔE 0.026
- Moss Green #658B38 ΔE 0.028
- Olive Green #677A04 ΔE 0.030
- Swamp Green #748500 ΔE 0.034
- Mossy Green #638B27 ΔE 0.034
Use #688133 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.