#688F17
Closest named color: Olive Drab (#6B8E23). oklch(59.9% 0.146 127.1), rgb(104, 143, 23).
Aa
Black text reads best on this color (5.52:1).
About this color
#688F17 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.146 and its hue 127°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Drab (#6B8E23), ΔE 0.009 away. Black text reads best on it, at 5.52:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.52:1 |
| White text | 3.79:1 |
Values
| HEX | #688F17 |
| RGB | rgb(104, 143, 23) |
| HSL | hsl(80, 72%, 33%) |
| OKLCH | oklch(59.9% 0.146 127.1) |
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 #688F17 | 3.79:1 | AA large text | Lc -70.8 | Content text, not long reading |
| Black text on #688F17 | 5.52:1 | AA | Lc 38.8 | Non-text elements, placeholder text |
| #688F17 text on white | 3.79:1 | AA large text | Lc 65.3 | Content text, not long reading |
| #688F17 text on black | 5.52:1 | AA | Lc -36.4 | 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 500.
-
Step 50
50
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6EDDE
oklch(93.7% 0.021 127.4)
-
Step 200
200
#D2DEC3
oklch(88.4% 0.038 126.8)
-
Step 300
300
#B4CA98
oklch(81% 0.072 127.2)
-
Step 400
400
#8DAE5D
oklch(70.7% 0.114 127.3)
-
Step 500
500 (this color)
#688F17
oklch(59.9% 0.146 127.1)
-
Step 600
600
#5C8200
oklch(55.7% 0.144 127.3)
-
Step 700
700
#4D6D00
oklch(49.1% 0.127 127.1)
-
Step 800
800
#3E5900
oklch(42.6% 0.11 127.2)
-
Step 900
900
#344A02
oklch(37.7% 0.095 126.7)
-
Step 950
950
#1E2C07
oklch(27.1% 0.061 127.8)
#688F17 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) | #978500 | 0.069 |
| Deuteranopia (no green cones) | #928225 | 0.071 |
| Tritanopia (no blue cones) | #6C887A | 0.118 |
| Achromatopsia (no color) | #838383 | 0.147 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #688F17
#688F17
oklch(59.9% 0.146 127.1)
- #9765C3
#9765C3
oklch(59.9% 0.146 307.1)
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 #688F17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.009
- Dark Yellow Green #728F02 ΔE 0.013
- Mossy Green #638B27 ΔE 0.018
- Sap Green #5C8B15 ΔE 0.020
- Moss Green #658B38 ΔE 0.029
- Swamp Green #748500 ΔE 0.029
- Fern Green #548D44 ΔE 0.040
- Khaki Green #728639 ΔE 0.044
Use #688F17 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.