#668B0F
Closest named color: Sap Green (#5C8B15). oklch(58.7% 0.146 126.5), rgb(102, 139, 15).
Aa
Black text reads best on this color (5.26:1).
About this color
#668B0F is a medium-dark, vivid green. In OKLCH its lightness is 59%, its chroma 0.146 and its hue 126°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Sap Green (#5C8B15), ΔE 0.012 away. Black text reads best on it, at 5.26:1.
| Hue family | Greens |
| Lightness | medium-dark (59%) |
| Chroma | vivid (0.146) |
| Temperature | in between |
| Nearest name | Sap Green (#5C8B15) |
| Black text | 5.26:1 |
| White text | 3.98:1 |
Values
| HEX | #668B0F |
| RGB | rgb(102, 139, 15) |
| HSL | hsl(78, 81%, 30%) |
| OKLCH | oklch(58.7% 0.146 126.5) |
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 #668B0F | 3.98:1 | AA large text | Lc -72.5 | Content text, not long reading |
| Black text on #668B0F | 5.26:1 | AA | Lc 37.1 | Non-text elements, placeholder text |
| #668B0F text on white | 3.98:1 | AA large text | Lc 67.0 | Content text, not long reading |
| #668B0F text on black | 5.26:1 | AA | Lc -34.6 | 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
#F4F7F0
oklch(97.2% 0.01 125.7)
-
Step 100
100
#E6ECDF
oklch(93.5% 0.018 127.1)
-
Step 200
200
#D3DEC4
oklch(88.5% 0.037 125.9)
-
Step 300
300
#B6C99B
oklch(81% 0.066 126.1)
-
Step 400
400
#90AD63
oklch(70.8% 0.105 126.4)
-
Step 500
500
#749833
oklch(63.2% 0.135 126.8)
-
Step 600
600 (this color)
#668B0F
oklch(58.7% 0.146 126.5)
-
Step 700
700
#4E6D00
oklch(49.2% 0.126 126.7)
-
Step 800
800
#3F5900
oklch(42.7% 0.11 126.7)
-
Step 900
900
#35490C
oklch(37.5% 0.087 126.5)
-
Step 950
950
#1F2B0A
oklch(26.9% 0.055 126.8)
#668B0F 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) | #938100 | 0.068 |
| Deuteranopia (no green cones) | #8E7F20 | 0.068 |
| Tritanopia (no blue cones) | #6B8476 | 0.118 |
| Achromatopsia (no color) | #7F7F7F | 0.146 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #668B0F
#668B0F
oklch(58.7% 0.146 126.5)
- #9362C0
#9362C0
oklch(58.8% 0.146 306.5)
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 #668B0F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Sap Green #5C8B15 ΔE 0.012
- Mossy Green #638B27 ΔE 0.012
- Olive Drab #6B8E23 ΔE 0.015
- Dark Yellow Green #728F02 ΔE 0.021
- Swamp Green #748500 ΔE 0.023
- Moss Green #658B38 ΔE 0.027
- Fern Green #548D44 ΔE 0.038
- Khaki Green #728639 ΔE 0.041
Use #668B0F 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.