#649F00
Closest named color: Leaf Green (#5CA904). oklch(63.7% 0.174 131), rgb(100, 159, 0).
Aa
Black text reads best on this color (6.50:1).
About this color
#649F00 is a medium-light, vivid green. In OKLCH its lightness is 64%, its chroma 0.174 and its hue 131°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Leaf Green (#5CA904), ΔE 0.028 away. Black text reads best on it, at 6.50:1.
| Hue family | Greens |
| Lightness | medium-light (64%) |
| Chroma | vivid (0.174) |
| Temperature | in between |
| Nearest name | Leaf Green (#5CA904) |
| Black text | 6.50:1 |
| White text | 3.23:1 |
Values
| HEX | #649F00 |
| RGB | rgb(100, 159, 0) |
| HSL | hsl(82, 100%, 31%) |
| OKLCH | oklch(63.7% 0.174 131) |
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 #649F00 | 3.23:1 | AA large text | Lc -64.7 | Content text, not long reading |
| Black text on #649F00 | 6.50:1 | AA | Lc 44.8 | Non-text elements, placeholder text |
| #649F00 text on white | 3.23:1 | AA large text | Lc 59.3 | Large or bold text, headings |
| #649F00 text on black | 6.50:1 | AA | Lc -42.5 | 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
#F3F7EF
oklch(97.1% 0.011 128.6)
-
Step 100
100
#E4EEDD
oklch(93.7% 0.025 132.1)
-
Step 200
200
#CEE0C0
oklch(88.5% 0.047 131.4)
-
Step 300
300
#ADCC93
oklch(80.8% 0.084 131.3)
-
Step 400
400
#82B252
oklch(70.8% 0.137 131.2)
-
Step 500
500 (this color)
#649F00
oklch(63.7% 0.174 131)
-
Step 600
600
#528400
oklch(55.6% 0.152 131.1)
-
Step 700
700
#446F00
oklch(49.1% 0.134 131.1)
-
Step 800
800
#375B00
oklch(42.7% 0.117 131.1)
-
Step 900
900
#2D4C00
oklch(37.8% 0.103 131.1)
-
Step 950
950
#192D01
oklch(27% 0.072 131.2)
#649F00 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) | #A79200 | 0.095 |
| Deuteranopia (no green cones) | #9F8E1F | 0.093 |
| Tritanopia (no blue cones) | #669886 | 0.133 |
| Achromatopsia (no color) | #8F8F8F | 0.175 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #649F00
#649F00
oklch(63.7% 0.174 131)
- #AD67D7
#AD67D7
oklch(63.7% 0.174 311.3)
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 #649F00, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Leaf Green #5CA904 ΔE 0.028
- Grassy Green #419C03 ΔE 0.035
- Grass #5CAC2D ΔE 0.036
- Grass Green #3F9B0B ΔE 0.037
- Mid Green #50A747 ΔE 0.039
- Leaf #71AA34 ΔE 0.041
- Dark Yellow Green #728F02 ΔE 0.047
- Medium Green #39AD48 ΔE 0.050
Use #649F00 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.