#648F0A
Closest named color: Olive Drab (#6B8E23). oklch(59.6% 0.153 128), rgb(100, 143, 10).
Aa
Black text reads best on this color (5.47:1).
About this color
#648F0A is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.153 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Olive Drab (#6B8E23), ΔE 0.016 away. Black text reads best on it, at 5.47:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.153) |
| Temperature | in between |
| Nearest name | Olive Drab (#6B8E23) |
| Black text | 5.47:1 |
| White text | 3.83:1 |
Values
| HEX | #648F0A |
| RGB | rgb(100, 143, 10) |
| HSL | hsl(79, 87%, 30%) |
| OKLCH | oklch(59.6% 0.153 128) |
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 #648F0A | 3.83:1 | AA large text | Lc -71.1 | Content text, not long reading |
| Black text on #648F0A | 5.47:1 | AA | Lc 38.5 | Non-text elements, placeholder text |
| #648F0A text on white | 3.83:1 | AA large text | Lc 65.6 | Content text, not long reading |
| #648F0A text on black | 5.47:1 | AA | Lc -36.0 | 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
#F3F7F0
oklch(97.1% 0.01 131.4)
-
Step 100
100
#E6EDDE
oklch(93.7% 0.021 127.4)
-
Step 200
200
#D1DFC2
oklch(88.5% 0.042 128.3)
-
Step 300
300
#B3CA97
oklch(80.9% 0.074 127.7)
-
Step 400
400
#8BAF5A
oklch(70.8% 0.12 128)
-
Step 500
500 (this color)
#648F0A
oklch(59.6% 0.153 128)
-
Step 600
600
#5A8200
oklch(55.6% 0.145 128)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3D5A00
oklch(42.8% 0.112 128.1)
-
Step 900
900
#324B00
oklch(37.8% 0.099 128.2)
-
Step 950
950
#1D2C05
oklch(27% 0.064 128.3)
#648F0A 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) | #978400 | 0.076 |
| Deuteranopia (no green cones) | #91811E | 0.076 |
| Tritanopia (no blue cones) | #688879 | 0.121 |
| Achromatopsia (no color) | #828282 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #648F0A
#648F0A
oklch(59.6% 0.153 128)
- #9862C4
#9862C4
oklch(59.6% 0.153 307.9)
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 #648F0A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Olive Drab #6B8E23 ΔE 0.016
- Sap Green #5C8B15 ΔE 0.017
- Dark Yellow Green #728F02 ΔE 0.017
- Mossy Green #638B27 ΔE 0.020
- Swamp Green #748500 ΔE 0.033
- Moss Green #658B38 ΔE 0.034
- Fern Green #548D44 ΔE 0.043
- Grass Green #3F9B0B ΔE 0.046
Use #648F0A 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.