#649100
Closest named color: Dark Yellow Green (#728F02). oklch(60.1% 0.158 128.3), rgb(100, 145, 0).
Aa
Black text reads best on this color (5.59:1).
About this color
#649100 is a medium-dark, vivid green. In OKLCH its lightness is 60%, its chroma 0.158 and its hue 128°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Yellow Green (#728F02), ΔE 0.018 away. Black text reads best on it, at 5.59:1.
| Hue family | Greens |
| Lightness | medium-dark (60%) |
| Chroma | vivid (0.158) |
| Temperature | in between |
| Nearest name | Dark Yellow Green (#728F02) |
| Black text | 5.59:1 |
| White text | 3.75:1 |
Values
| HEX | #649100 |
| RGB | rgb(100, 145, 0) |
| HSL | hsl(79, 100%, 28%) |
| OKLCH | oklch(60.1% 0.158 128.3) |
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 #649100 | 3.75:1 | AA large text | Lc -70.3 | Content text, not long reading |
| Black text on #649100 | 5.59:1 | AA | Lc 39.2 | Non-text elements, placeholder text |
| #649100 text on white | 3.75:1 | AA large text | Lc 64.8 | Content text, not long reading |
| #649100 text on black | 5.59:1 | AA | Lc -36.8 | 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
#E5EDDD
oklch(93.6% 0.023 128.7)
-
Step 200
200
#D1DFC1
oklch(88.5% 0.043 127.7)
-
Step 300
300
#B2CB95
oklch(81% 0.078 128.2)
-
Step 400
400
#8AAF57
oklch(70.7% 0.124 128)
-
Step 500
500 (this color)
#649100
oklch(60.1% 0.158 128.3)
-
Step 600
600
#598200
oklch(55.5% 0.146 128.3)
-
Step 700
700
#4B6D00
oklch(49% 0.128 127.9)
-
Step 800
800
#3C5A00
oklch(42.8% 0.113 128.5)
-
Step 900
900
#324B00
oklch(37.8% 0.099 128.2)
-
Step 950
950
#1D2C04
oklch(27% 0.065 128)
#649100 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) | #998600 | 0.079 |
| Deuteranopia (no green cones) | #93831B | 0.078 |
| Tritanopia (no blue cones) | #688A7B | 0.126 |
| Achromatopsia (no color) | #848484 | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649100
#649100
oklch(60.1% 0.158 128.3)
- #9B62C8
#9B62C8
oklch(60.1% 0.158 308.1)
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 #649100, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Yellow Green #728F02 ΔE 0.018
- Olive Drab #6B8E23 ΔE 0.021
- Sap Green #5C8B15 ΔE 0.022
- Mossy Green #638B27 ΔE 0.027
- Swamp Green #748500 ΔE 0.038
- Moss Green #658B38 ΔE 0.039
- Grass Green #3F9B0B ΔE 0.042
- Grassy Green #419C03 ΔE 0.043
Use #649100 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.