#688604
Closest named color: Swamp Green (#748500). oklch(57.6% 0.142 124), rgb(104, 134, 4).
Aa
Black text reads best on this color (5.00:1).
About this color
#688604 is a medium-dark, vivid yellow. In OKLCH its lightness is 58%, its chroma 0.142 and its hue 124°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Swamp Green (#748500), ΔE 0.016 away. Black text reads best on it, at 5.00:1.
| Hue family | Yellows |
| Lightness | medium-dark (58%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Swamp Green (#748500) |
| Black text | 5.00:1 |
| White text | 4.19:1 |
Values
| HEX | #688604 |
| RGB | rgb(104, 134, 4) |
| HSL | hsl(74, 94%, 27%) |
| OKLCH | oklch(57.6% 0.142 124) |
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 #688604 | 4.19:1 | AA large text | Lc -74.3 | Content text, not long reading |
| Black text on #688604 | 5.00:1 | AA | Lc 35.3 | Non-text elements, placeholder text |
| #688604 text on white | 4.19:1 | AA large text | Lc 68.8 | Content text, not long reading |
| #688604 text on black | 5.00:1 | AA | Lc -32.9 | 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
#F4F6F0
oklch(97% 0.008 121.6)
-
Step 100
100
#E7ECDF
oklch(93.6% 0.018 124)
-
Step 200
200
#D4DDC4
oklch(88.4% 0.035 123.3)
-
Step 300
300
#B8C89B
oklch(80.9% 0.063 123.7)
-
Step 400
400
#93AB63
oklch(70.6% 0.101 124)
-
Step 500
500
#799632
oklch(63% 0.131 124)
-
Step 600
600 (this color)
#688604
oklch(57.6% 0.142 124)
-
Step 700
700
#536B00
oklch(49% 0.121 123.6)
-
Step 800
800
#435800
oklch(42.7% 0.106 124.1)
-
Step 900
900
#38490C
oklch(37.8% 0.086 124.4)
-
Step 950
950
#212B0A
oklch(27.1% 0.054 124.3)
#688604 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) | #8E7D00 | 0.060 |
| Deuteranopia (no green cones) | #8A7B19 | 0.060 |
| Tritanopia (no blue cones) | #6E7F71 | 0.116 |
| Achromatopsia (no color) | #7C7C7C | 0.142 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688604
#688604
oklch(57.6% 0.142 124)
- #8C61BC
#8C61BC
oklch(57.7% 0.141 304.2)
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 #688604, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Swamp Green #748500 ΔE 0.016
- Mossy Green #638B27 ΔE 0.018
- Sap Green #5C8B15 ΔE 0.018
- Olive Drab #6B8E23 ΔE 0.025
- Moss Green #658B38 ΔE 0.029
- Dark Yellow Green #728F02 ΔE 0.031
- Olive Green #677A04 ΔE 0.035
- Murky Green #6C7A0E ΔE 0.036
Use #688604 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.